// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
// Code generated by Microsoft (R) AutoRest Code Generator.

package com.azure.resourcemanager.cosmos.implementation;

import com.azure.core.annotation.BodyParam;
import com.azure.core.annotation.Delete;
import com.azure.core.annotation.ExpectedResponses;
import com.azure.core.annotation.Get;
import com.azure.core.annotation.Head;
import com.azure.core.annotation.HeaderParam;
import com.azure.core.annotation.Headers;
import com.azure.core.annotation.Host;
import com.azure.core.annotation.HostParam;
import com.azure.core.annotation.Patch;
import com.azure.core.annotation.PathParam;
import com.azure.core.annotation.Post;
import com.azure.core.annotation.Put;
import com.azure.core.annotation.QueryParam;
import com.azure.core.annotation.ReturnType;
import com.azure.core.annotation.ServiceInterface;
import com.azure.core.annotation.ServiceMethod;
import com.azure.core.annotation.UnexpectedResponseExceptionType;
import com.azure.core.http.rest.PagedFlux;
import com.azure.core.http.rest.PagedIterable;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.PagedResponseBase;
import com.azure.core.http.rest.Response;
import com.azure.core.http.rest.RestProxy;
import com.azure.core.management.exception.ManagementException;
import com.azure.core.management.polling.PollResult;
import com.azure.core.util.Context;
import com.azure.core.util.FluxUtil;
import com.azure.core.util.polling.PollerFlux;
import com.azure.core.util.polling.SyncPoller;
import com.azure.resourcemanager.cosmos.fluent.DatabaseAccountsClient;
import com.azure.resourcemanager.cosmos.fluent.models.DatabaseAccountGetResultsInner;
import com.azure.resourcemanager.cosmos.fluent.models.DatabaseAccountListConnectionStringsResultInner;
import com.azure.resourcemanager.cosmos.fluent.models.DatabaseAccountListKeysResultInner;
import com.azure.resourcemanager.cosmos.fluent.models.DatabaseAccountListReadOnlyKeysResultInner;
import com.azure.resourcemanager.cosmos.fluent.models.MetricDefinitionInner;
import com.azure.resourcemanager.cosmos.fluent.models.MetricInner;
import com.azure.resourcemanager.cosmos.fluent.models.UsageInner;
import com.azure.resourcemanager.cosmos.models.DatabaseAccountCreateUpdateParameters;
import com.azure.resourcemanager.cosmos.models.DatabaseAccountRegenerateKeyParameters;
import com.azure.resourcemanager.cosmos.models.DatabaseAccountUpdateParameters;
import com.azure.resourcemanager.cosmos.models.DatabaseAccountsListResult;
import com.azure.resourcemanager.cosmos.models.FailoverPolicies;
import com.azure.resourcemanager.cosmos.models.MetricDefinitionsListResult;
import com.azure.resourcemanager.cosmos.models.MetricListResult;
import com.azure.resourcemanager.cosmos.models.RegionForOnlineOffline;
import com.azure.resourcemanager.cosmos.models.UsagesResult;
import com.azure.resourcemanager.resources.fluentcore.collection.InnerSupportsDelete;
import com.azure.resourcemanager.resources.fluentcore.collection.InnerSupportsGet;
import com.azure.resourcemanager.resources.fluentcore.collection.InnerSupportsListing;
import java.nio.ByteBuffer;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

/** An instance of this class provides access to all the operations defined in DatabaseAccountsClient. */
public final class DatabaseAccountsClientImpl
    implements InnerSupportsGet<DatabaseAccountGetResultsInner>,
        InnerSupportsListing<DatabaseAccountGetResultsInner>,
        InnerSupportsDelete<Void>,
        DatabaseAccountsClient {
    /** The proxy service used to perform REST calls. */
    private final DatabaseAccountsService service;

    /** The service client containing this operation class. */
    private final CosmosDBManagementClientImpl client;

    /**
     * Initializes an instance of DatabaseAccountsClientImpl.
     *
     * @param client the instance of the service client containing this operation class.
     */
    DatabaseAccountsClientImpl(CosmosDBManagementClientImpl client) {
        this.service =
            RestProxy.create(DatabaseAccountsService.class, client.getHttpPipeline(), client.getSerializerAdapter());
        this.client = client;
    }

    /**
     * The interface defining all the services for CosmosDBManagementClientDatabaseAccounts to be used by the proxy
     * service to perform REST calls.
     */
    @Host("{$host}")
    @ServiceInterface(name = "CosmosDBManagementCl")
    public interface DatabaseAccountsService {
        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<DatabaseAccountGetResultsInner>> getByResourceGroup(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Patch(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> update(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") DatabaseAccountUpdateParameters updateParameters,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Put(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> createOrUpdate(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") DatabaseAccountCreateUpdateParameters createUpdateParameters,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Accept: application/json;q=0.9", "Content-Type: application/json"})
        @Delete(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}")
        @ExpectedResponses({202, 204})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> delete(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            Context context);

        @Headers({"Accept: application/json;q=0.9", "Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/failoverPriorityChange")
        @ExpectedResponses({202, 204})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> failoverPriorityChange(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") FailoverPolicies failoverParameters,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get("/subscriptions/{subscriptionId}/providers/Microsoft.DocumentDB/databaseAccounts")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<DatabaseAccountsListResult>> list(
            @HostParam("$host") String endpoint,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<DatabaseAccountsListResult>> listByResourceGroup(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/listKeys")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<DatabaseAccountListKeysResultInner>> listKeys(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/listConnectionStrings")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<DatabaseAccountListConnectionStringsResultInner>> listConnectionStrings(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/offlineRegion")
        @ExpectedResponses({200, 202})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> offlineRegion(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") RegionForOnlineOffline regionParameterForOffline,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/onlineRegion")
        @ExpectedResponses({200, 202})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> onlineRegion(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") RegionForOnlineOffline regionParameterForOnline,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/readonlykeys")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<DatabaseAccountListReadOnlyKeysResultInner>> getReadOnlyKeys(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/readonlykeys")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<DatabaseAccountListReadOnlyKeysResultInner>> listReadOnlyKeys(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Accept: application/json;q=0.9", "Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/regenerateKey")
        @ExpectedResponses({200, 202})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> regenerateKey(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") DatabaseAccountRegenerateKeyParameters keyToRegenerate,
            Context context);

        @Headers({"Accept: application/json;q=0.9", "Content-Type: application/json"})
        @Head("/providers/Microsoft.DocumentDB/databaseAccountNames/{accountName}")
        @ExpectedResponses({200, 404})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Boolean>> checkNameExists(
            @HostParam("$host") String endpoint,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/metrics")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<MetricListResult>> listMetrics(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @QueryParam("$filter") String filter,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/usages")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<UsagesResult>> listUsages(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @QueryParam("$filter") String filter,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/metricDefinitions")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<MetricDefinitionsListResult>> listMetricDefinitions(
            @HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("accountName") String accountName,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);
    }

    /**
     * Retrieves the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<DatabaseAccountGetResultsInner>> getByResourceGroupWithResponseAsync(
        String resourceGroupName, String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .getByResourceGroup(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Retrieves the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<DatabaseAccountGetResultsInner>> getByResourceGroupWithResponseAsync(
        String resourceGroupName, String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .getByResourceGroup(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                accept,
                context);
    }

    /**
     * Retrieves the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<DatabaseAccountGetResultsInner> getByResourceGroupAsync(String resourceGroupName, String accountName) {
        return getByResourceGroupWithResponseAsync(resourceGroupName, accountName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Retrieves the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<DatabaseAccountGetResultsInner> getByResourceGroupWithResponse(
        String resourceGroupName, String accountName, Context context) {
        return getByResourceGroupWithResponseAsync(resourceGroupName, accountName, context).block();
    }

    /**
     * Retrieves the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountGetResultsInner getByResourceGroup(String resourceGroupName, String accountName) {
        return getByResourceGroupWithResponse(resourceGroupName, accountName, Context.NONE).getValue();
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> updateWithResponseAsync(
        String resourceGroupName, String accountName, DatabaseAccountUpdateParameters updateParameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (updateParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter updateParameters is required and cannot be null."));
        } else {
            updateParameters.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .update(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            updateParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> updateWithResponseAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountUpdateParameters updateParameters,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (updateParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter updateParameters is required and cannot be null."));
        } else {
            updateParameters.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .update(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                updateParameters,
                accept,
                context);
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner> beginUpdateAsync(
        String resourceGroupName, String accountName, DatabaseAccountUpdateParameters updateParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            updateWithResponseAsync(resourceGroupName, accountName, updateParameters);
        return this
            .client
            .<DatabaseAccountGetResultsInner, DatabaseAccountGetResultsInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                DatabaseAccountGetResultsInner.class,
                DatabaseAccountGetResultsInner.class,
                this.client.getContext());
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner> beginUpdateAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountUpdateParameters updateParameters,
        Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            updateWithResponseAsync(resourceGroupName, accountName, updateParameters, context);
        return this
            .client
            .<DatabaseAccountGetResultsInner, DatabaseAccountGetResultsInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                DatabaseAccountGetResultsInner.class,
                DatabaseAccountGetResultsInner.class,
                context);
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner> beginUpdate(
        String resourceGroupName, String accountName, DatabaseAccountUpdateParameters updateParameters) {
        return this.beginUpdateAsync(resourceGroupName, accountName, updateParameters).getSyncPoller();
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner> beginUpdate(
        String resourceGroupName,
        String accountName,
        DatabaseAccountUpdateParameters updateParameters,
        Context context) {
        return this.beginUpdateAsync(resourceGroupName, accountName, updateParameters, context).getSyncPoller();
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<DatabaseAccountGetResultsInner> updateAsync(
        String resourceGroupName, String accountName, DatabaseAccountUpdateParameters updateParameters) {
        return beginUpdateAsync(resourceGroupName, accountName, updateParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<DatabaseAccountGetResultsInner> updateAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountUpdateParameters updateParameters,
        Context context) {
        return beginUpdateAsync(resourceGroupName, accountName, updateParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountGetResultsInner update(
        String resourceGroupName, String accountName, DatabaseAccountUpdateParameters updateParameters) {
        return updateAsync(resourceGroupName, accountName, updateParameters).block();
    }

    /**
     * Updates the properties of an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param updateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountGetResultsInner update(
        String resourceGroupName,
        String accountName,
        DatabaseAccountUpdateParameters updateParameters,
        Context context) {
        return updateAsync(resourceGroupName, accountName, updateParameters, context).block();
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName, String accountName, DatabaseAccountCreateUpdateParameters createUpdateParameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (createUpdateParameters == null) {
            return Mono
                .error(
                    new IllegalArgumentException("Parameter createUpdateParameters is required and cannot be null."));
        } else {
            createUpdateParameters.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .createOrUpdate(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            createUpdateParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountCreateUpdateParameters createUpdateParameters,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (createUpdateParameters == null) {
            return Mono
                .error(
                    new IllegalArgumentException("Parameter createUpdateParameters is required and cannot be null."));
        } else {
            createUpdateParameters.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .createOrUpdate(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                createUpdateParameters,
                accept,
                context);
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String accountName,
            DatabaseAccountCreateUpdateParameters createUpdateParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(resourceGroupName, accountName, createUpdateParameters);
        return this
            .client
            .<DatabaseAccountGetResultsInner, DatabaseAccountGetResultsInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                DatabaseAccountGetResultsInner.class,
                DatabaseAccountGetResultsInner.class,
                this.client.getContext());
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String accountName,
            DatabaseAccountCreateUpdateParameters createUpdateParameters,
            Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(resourceGroupName, accountName, createUpdateParameters, context);
        return this
            .client
            .<DatabaseAccountGetResultsInner, DatabaseAccountGetResultsInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                DatabaseAccountGetResultsInner.class,
                DatabaseAccountGetResultsInner.class,
                context);
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner> beginCreateOrUpdate(
        String resourceGroupName, String accountName, DatabaseAccountCreateUpdateParameters createUpdateParameters) {
        return this.beginCreateOrUpdateAsync(resourceGroupName, accountName, createUpdateParameters).getSyncPoller();
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<DatabaseAccountGetResultsInner>, DatabaseAccountGetResultsInner> beginCreateOrUpdate(
        String resourceGroupName,
        String accountName,
        DatabaseAccountCreateUpdateParameters createUpdateParameters,
        Context context) {
        return this
            .beginCreateOrUpdateAsync(resourceGroupName, accountName, createUpdateParameters, context)
            .getSyncPoller();
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<DatabaseAccountGetResultsInner> createOrUpdateAsync(
        String resourceGroupName, String accountName, DatabaseAccountCreateUpdateParameters createUpdateParameters) {
        return beginCreateOrUpdateAsync(resourceGroupName, accountName, createUpdateParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<DatabaseAccountGetResultsInner> createOrUpdateAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountCreateUpdateParameters createUpdateParameters,
        Context context) {
        return beginCreateOrUpdateAsync(resourceGroupName, accountName, createUpdateParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountGetResultsInner createOrUpdate(
        String resourceGroupName, String accountName, DatabaseAccountCreateUpdateParameters createUpdateParameters) {
        return createOrUpdateAsync(resourceGroupName, accountName, createUpdateParameters).block();
    }

    /**
     * Creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when performing updates
     * on an account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param createUpdateParameters The parameters to provide for the current database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return an Azure Cosmos DB database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountGetResultsInner createOrUpdate(
        String resourceGroupName,
        String accountName,
        DatabaseAccountCreateUpdateParameters createUpdateParameters,
        Context context) {
        return createOrUpdateAsync(resourceGroupName, accountName, createUpdateParameters, context).block();
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> deleteWithResponseAsync(String resourceGroupName, String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        return FluxUtil
            .withContext(
                context ->
                    service
                        .delete(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> deleteWithResponseAsync(
        String resourceGroupName, String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        context = this.client.mergeContext(context);
        return service
            .delete(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                context);
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<Void>, Void> beginDeleteAsync(String resourceGroupName, String accountName) {
        Mono<Response<Flux<ByteBuffer>>> mono = deleteWithResponseAsync(resourceGroupName, accountName);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<Void>, Void> beginDeleteAsync(
        String resourceGroupName, String accountName, Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono = deleteWithResponseAsync(resourceGroupName, accountName, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginDelete(String resourceGroupName, String accountName) {
        return this.beginDeleteAsync(resourceGroupName, accountName).getSyncPoller();
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginDelete(
        String resourceGroupName, String accountName, Context context) {
        return this.beginDeleteAsync(resourceGroupName, accountName, context).getSyncPoller();
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Void> deleteAsync(String resourceGroupName, String accountName) {
        return beginDeleteAsync(resourceGroupName, accountName).last().flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> deleteAsync(String resourceGroupName, String accountName, Context context) {
        return beginDeleteAsync(resourceGroupName, accountName, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void delete(String resourceGroupName, String accountName) {
        deleteAsync(resourceGroupName, accountName).block();
    }

    /**
     * Deletes an existing Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void delete(String resourceGroupName, String accountName, Context context) {
        deleteAsync(resourceGroupName, accountName, context).block();
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> failoverPriorityChangeWithResponseAsync(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (failoverParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter failoverParameters is required and cannot be null."));
        } else {
            failoverParameters.validate();
        }
        return FluxUtil
            .withContext(
                context ->
                    service
                        .failoverPriorityChange(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            failoverParameters,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> failoverPriorityChangeWithResponseAsync(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (failoverParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter failoverParameters is required and cannot be null."));
        } else {
            failoverParameters.validate();
        }
        context = this.client.mergeContext(context);
        return service
            .failoverPriorityChange(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                failoverParameters,
                context);
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<Void>, Void> beginFailoverPriorityChangeAsync(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            failoverPriorityChangeWithResponseAsync(resourceGroupName, accountName, failoverParameters);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<Void>, Void> beginFailoverPriorityChangeAsync(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters, Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            failoverPriorityChangeWithResponseAsync(resourceGroupName, accountName, failoverParameters, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginFailoverPriorityChange(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters) {
        return this
            .beginFailoverPriorityChangeAsync(resourceGroupName, accountName, failoverParameters)
            .getSyncPoller();
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginFailoverPriorityChange(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters, Context context) {
        return this
            .beginFailoverPriorityChangeAsync(resourceGroupName, accountName, failoverParameters, context)
            .getSyncPoller();
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Void> failoverPriorityChangeAsync(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters) {
        return beginFailoverPriorityChangeAsync(resourceGroupName, accountName, failoverParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> failoverPriorityChangeAsync(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters, Context context) {
        return beginFailoverPriorityChangeAsync(resourceGroupName, accountName, failoverParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void failoverPriorityChange(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters) {
        failoverPriorityChangeAsync(resourceGroupName, accountName, failoverParameters).block();
    }

    /**
     * Changes the failover priority for the Azure Cosmos DB database account. A failover priority of 0 indicates a
     * write region. The maximum value for a failover priority = (total number of regions - 1). Failover priority values
     * must be unique for each of the regions in which the database account exists.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param failoverParameters The new failover policies for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void failoverPriorityChange(
        String resourceGroupName, String accountName, FailoverPolicies failoverParameters, Context context) {
        failoverPriorityChangeAsync(resourceGroupName, accountName, failoverParameters, context).block();
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the subscription.
     *
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<DatabaseAccountGetResultsInner>> listSinglePageAsync() {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .list(
                            this.client.getEndpoint(),
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .<PagedResponse<DatabaseAccountGetResultsInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the subscription.
     *
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<DatabaseAccountGetResultsInner>> listSinglePageAsync(Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .list(
                this.client.getEndpoint(),
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the subscription.
     *
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<DatabaseAccountGetResultsInner> listAsync() {
        return new PagedFlux<>(() -> listSinglePageAsync());
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the subscription.
     *
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<DatabaseAccountGetResultsInner> listAsync(Context context) {
        return new PagedFlux<>(() -> listSinglePageAsync(context));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the subscription.
     *
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<DatabaseAccountGetResultsInner> list() {
        return new PagedIterable<>(listAsync());
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the subscription.
     *
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<DatabaseAccountGetResultsInner> list(Context context) {
        return new PagedIterable<>(listAsync(context));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the given resource group.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<DatabaseAccountGetResultsInner>> listByResourceGroupSinglePageAsync(
        String resourceGroupName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listByResourceGroup(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .<PagedResponse<DatabaseAccountGetResultsInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the given resource group.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<DatabaseAccountGetResultsInner>> listByResourceGroupSinglePageAsync(
        String resourceGroupName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByResourceGroup(
                this.client.getEndpoint(),
                resourceGroupName,
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the given resource group.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<DatabaseAccountGetResultsInner> listByResourceGroupAsync(String resourceGroupName) {
        return new PagedFlux<>(() -> listByResourceGroupSinglePageAsync(resourceGroupName));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the given resource group.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<DatabaseAccountGetResultsInner> listByResourceGroupAsync(
        String resourceGroupName, Context context) {
        return new PagedFlux<>(() -> listByResourceGroupSinglePageAsync(resourceGroupName, context));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the given resource group.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<DatabaseAccountGetResultsInner> listByResourceGroup(String resourceGroupName) {
        return new PagedIterable<>(listByResourceGroupAsync(resourceGroupName));
    }

    /**
     * Lists all the Azure Cosmos DB database accounts available under the given resource group.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the List operation response, that contains the database accounts and their properties as paginated
     *     response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<DatabaseAccountGetResultsInner> listByResourceGroup(
        String resourceGroupName, Context context) {
        return new PagedIterable<>(listByResourceGroupAsync(resourceGroupName, context));
    }

    /**
     * Lists the access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the access keys for the given database account along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<DatabaseAccountListKeysResultInner>> listKeysWithResponseAsync(
        String resourceGroupName, String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listKeys(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists the access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the access keys for the given database account along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<DatabaseAccountListKeysResultInner>> listKeysWithResponseAsync(
        String resourceGroupName, String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listKeys(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                accept,
                context);
    }

    /**
     * Lists the access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the access keys for the given database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<DatabaseAccountListKeysResultInner> listKeysAsync(String resourceGroupName, String accountName) {
        return listKeysWithResponseAsync(resourceGroupName, accountName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Lists the access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the access keys for the given database account along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<DatabaseAccountListKeysResultInner> listKeysWithResponse(
        String resourceGroupName, String accountName, Context context) {
        return listKeysWithResponseAsync(resourceGroupName, accountName, context).block();
    }

    /**
     * Lists the access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the access keys for the given database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountListKeysResultInner listKeys(String resourceGroupName, String accountName) {
        return listKeysWithResponse(resourceGroupName, accountName, Context.NONE).getValue();
    }

    /**
     * Lists the connection strings for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the connection strings for the given database account along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<DatabaseAccountListConnectionStringsResultInner>> listConnectionStringsWithResponseAsync(
        String resourceGroupName, String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listConnectionStrings(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists the connection strings for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the connection strings for the given database account along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<DatabaseAccountListConnectionStringsResultInner>> listConnectionStringsWithResponseAsync(
        String resourceGroupName, String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listConnectionStrings(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                accept,
                context);
    }

    /**
     * Lists the connection strings for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the connection strings for the given database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<DatabaseAccountListConnectionStringsResultInner> listConnectionStringsAsync(
        String resourceGroupName, String accountName) {
        return listConnectionStringsWithResponseAsync(resourceGroupName, accountName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Lists the connection strings for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the connection strings for the given database account along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<DatabaseAccountListConnectionStringsResultInner> listConnectionStringsWithResponse(
        String resourceGroupName, String accountName, Context context) {
        return listConnectionStringsWithResponseAsync(resourceGroupName, accountName, context).block();
    }

    /**
     * Lists the connection strings for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the connection strings for the given database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountListConnectionStringsResultInner listConnectionStrings(
        String resourceGroupName, String accountName) {
        return listConnectionStringsWithResponse(resourceGroupName, accountName, Context.NONE).getValue();
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> offlineRegionWithResponseAsync(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOffline) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (regionParameterForOffline == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter regionParameterForOffline is required and cannot be null."));
        } else {
            regionParameterForOffline.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .offlineRegion(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            regionParameterForOffline,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> offlineRegionWithResponseAsync(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOffline,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (regionParameterForOffline == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter regionParameterForOffline is required and cannot be null."));
        } else {
            regionParameterForOffline.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .offlineRegion(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                regionParameterForOffline,
                accept,
                context);
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<Void>, Void> beginOfflineRegionAsync(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOffline) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            offlineRegionWithResponseAsync(resourceGroupName, accountName, regionParameterForOffline);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<Void>, Void> beginOfflineRegionAsync(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOffline,
        Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            offlineRegionWithResponseAsync(resourceGroupName, accountName, regionParameterForOffline, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginOfflineRegion(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOffline) {
        return this.beginOfflineRegionAsync(resourceGroupName, accountName, regionParameterForOffline).getSyncPoller();
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginOfflineRegion(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOffline,
        Context context) {
        return this
            .beginOfflineRegionAsync(resourceGroupName, accountName, regionParameterForOffline, context)
            .getSyncPoller();
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Void> offlineRegionAsync(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOffline) {
        return beginOfflineRegionAsync(resourceGroupName, accountName, regionParameterForOffline)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> offlineRegionAsync(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOffline,
        Context context) {
        return beginOfflineRegionAsync(resourceGroupName, accountName, regionParameterForOffline, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void offlineRegion(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOffline) {
        offlineRegionAsync(resourceGroupName, accountName, regionParameterForOffline).block();
    }

    /**
     * Offline the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOffline Cosmos DB region to offline for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void offlineRegion(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOffline,
        Context context) {
        offlineRegionAsync(resourceGroupName, accountName, regionParameterForOffline, context).block();
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> onlineRegionWithResponseAsync(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOnline) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (regionParameterForOnline == null) {
            return Mono
                .error(
                    new IllegalArgumentException("Parameter regionParameterForOnline is required and cannot be null."));
        } else {
            regionParameterForOnline.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .onlineRegion(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            regionParameterForOnline,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> onlineRegionWithResponseAsync(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOnline,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (regionParameterForOnline == null) {
            return Mono
                .error(
                    new IllegalArgumentException("Parameter regionParameterForOnline is required and cannot be null."));
        } else {
            regionParameterForOnline.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .onlineRegion(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                regionParameterForOnline,
                accept,
                context);
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<Void>, Void> beginOnlineRegionAsync(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOnline) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            onlineRegionWithResponseAsync(resourceGroupName, accountName, regionParameterForOnline);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<Void>, Void> beginOnlineRegionAsync(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOnline,
        Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            onlineRegionWithResponseAsync(resourceGroupName, accountName, regionParameterForOnline, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginOnlineRegion(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOnline) {
        return this.beginOnlineRegionAsync(resourceGroupName, accountName, regionParameterForOnline).getSyncPoller();
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginOnlineRegion(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOnline,
        Context context) {
        return this
            .beginOnlineRegionAsync(resourceGroupName, accountName, regionParameterForOnline, context)
            .getSyncPoller();
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Void> onlineRegionAsync(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOnline) {
        return beginOnlineRegionAsync(resourceGroupName, accountName, regionParameterForOnline)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> onlineRegionAsync(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOnline,
        Context context) {
        return beginOnlineRegionAsync(resourceGroupName, accountName, regionParameterForOnline, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void onlineRegion(
        String resourceGroupName, String accountName, RegionForOnlineOffline regionParameterForOnline) {
        onlineRegionAsync(resourceGroupName, accountName, regionParameterForOnline).block();
    }

    /**
     * Online the specified region for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param regionParameterForOnline Cosmos DB region to online for the database account.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void onlineRegion(
        String resourceGroupName,
        String accountName,
        RegionForOnlineOffline regionParameterForOnline,
        Context context) {
        onlineRegionAsync(resourceGroupName, accountName, regionParameterForOnline, context).block();
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<DatabaseAccountListReadOnlyKeysResultInner>> getReadOnlyKeysWithResponseAsync(
        String resourceGroupName, String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .getReadOnlyKeys(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<DatabaseAccountListReadOnlyKeysResultInner>> getReadOnlyKeysWithResponseAsync(
        String resourceGroupName, String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .getReadOnlyKeys(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                accept,
                context);
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<DatabaseAccountListReadOnlyKeysResultInner> getReadOnlyKeysAsync(
        String resourceGroupName, String accountName) {
        return getReadOnlyKeysWithResponseAsync(resourceGroupName, accountName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<DatabaseAccountListReadOnlyKeysResultInner> getReadOnlyKeysWithResponse(
        String resourceGroupName, String accountName, Context context) {
        return getReadOnlyKeysWithResponseAsync(resourceGroupName, accountName, context).block();
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountListReadOnlyKeysResultInner getReadOnlyKeys(String resourceGroupName, String accountName) {
        return getReadOnlyKeysWithResponse(resourceGroupName, accountName, Context.NONE).getValue();
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<DatabaseAccountListReadOnlyKeysResultInner>> listReadOnlyKeysWithResponseAsync(
        String resourceGroupName, String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listReadOnlyKeys(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<DatabaseAccountListReadOnlyKeysResultInner>> listReadOnlyKeysWithResponseAsync(
        String resourceGroupName, String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listReadOnlyKeys(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                accept,
                context);
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<DatabaseAccountListReadOnlyKeysResultInner> listReadOnlyKeysAsync(
        String resourceGroupName, String accountName) {
        return listReadOnlyKeysWithResponseAsync(resourceGroupName, accountName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<DatabaseAccountListReadOnlyKeysResultInner> listReadOnlyKeysWithResponse(
        String resourceGroupName, String accountName, Context context) {
        return listReadOnlyKeysWithResponseAsync(resourceGroupName, accountName, context).block();
    }

    /**
     * Lists the read-only access keys for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the read-only access keys for the given database account.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DatabaseAccountListReadOnlyKeysResultInner listReadOnlyKeys(String resourceGroupName, String accountName) {
        return listReadOnlyKeysWithResponse(resourceGroupName, accountName, Context.NONE).getValue();
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> regenerateKeyWithResponseAsync(
        String resourceGroupName, String accountName, DatabaseAccountRegenerateKeyParameters keyToRegenerate) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (keyToRegenerate == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter keyToRegenerate is required and cannot be null."));
        } else {
            keyToRegenerate.validate();
        }
        return FluxUtil
            .withContext(
                context ->
                    service
                        .regenerateKey(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            keyToRegenerate,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> regenerateKeyWithResponseAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountRegenerateKeyParameters keyToRegenerate,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (keyToRegenerate == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter keyToRegenerate is required and cannot be null."));
        } else {
            keyToRegenerate.validate();
        }
        context = this.client.mergeContext(context);
        return service
            .regenerateKey(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                keyToRegenerate,
                context);
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<Void>, Void> beginRegenerateKeyAsync(
        String resourceGroupName, String accountName, DatabaseAccountRegenerateKeyParameters keyToRegenerate) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            regenerateKeyWithResponseAsync(resourceGroupName, accountName, keyToRegenerate);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<Void>, Void> beginRegenerateKeyAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountRegenerateKeyParameters keyToRegenerate,
        Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            regenerateKeyWithResponseAsync(resourceGroupName, accountName, keyToRegenerate, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginRegenerateKey(
        String resourceGroupName, String accountName, DatabaseAccountRegenerateKeyParameters keyToRegenerate) {
        return this.beginRegenerateKeyAsync(resourceGroupName, accountName, keyToRegenerate).getSyncPoller();
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginRegenerateKey(
        String resourceGroupName,
        String accountName,
        DatabaseAccountRegenerateKeyParameters keyToRegenerate,
        Context context) {
        return this.beginRegenerateKeyAsync(resourceGroupName, accountName, keyToRegenerate, context).getSyncPoller();
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Void> regenerateKeyAsync(
        String resourceGroupName, String accountName, DatabaseAccountRegenerateKeyParameters keyToRegenerate) {
        return beginRegenerateKeyAsync(resourceGroupName, accountName, keyToRegenerate)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> regenerateKeyAsync(
        String resourceGroupName,
        String accountName,
        DatabaseAccountRegenerateKeyParameters keyToRegenerate,
        Context context) {
        return beginRegenerateKeyAsync(resourceGroupName, accountName, keyToRegenerate, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void regenerateKey(
        String resourceGroupName, String accountName, DatabaseAccountRegenerateKeyParameters keyToRegenerate) {
        regenerateKeyAsync(resourceGroupName, accountName, keyToRegenerate).block();
    }

    /**
     * Regenerates an access key for the specified Azure Cosmos DB database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param keyToRegenerate The name of the key to regenerate.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void regenerateKey(
        String resourceGroupName,
        String accountName,
        DatabaseAccountRegenerateKeyParameters keyToRegenerate,
        Context context) {
        regenerateKeyAsync(resourceGroupName, accountName, keyToRegenerate, context).block();
    }

    /**
     * Checks that the Azure Cosmos DB account name already exists. A valid account name may contain only lowercase
     * letters, numbers, and the '-' character, and must be between 3 and 50 characters.
     *
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return whether resource exists along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Boolean>> checkNameExistsWithResponseAsync(String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        return FluxUtil
            .withContext(
                context ->
                    service
                        .checkNameExists(this.client.getEndpoint(), accountName, this.client.getApiVersion(), context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Checks that the Azure Cosmos DB account name already exists. A valid account name may contain only lowercase
     * letters, numbers, and the '-' character, and must be between 3 and 50 characters.
     *
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return whether resource exists along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Boolean>> checkNameExistsWithResponseAsync(String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        context = this.client.mergeContext(context);
        return service.checkNameExists(this.client.getEndpoint(), accountName, this.client.getApiVersion(), context);
    }

    /**
     * Checks that the Azure Cosmos DB account name already exists. A valid account name may contain only lowercase
     * letters, numbers, and the '-' character, and must be between 3 and 50 characters.
     *
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return whether resource exists on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Boolean> checkNameExistsAsync(String accountName) {
        return checkNameExistsWithResponseAsync(accountName).flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Checks that the Azure Cosmos DB account name already exists. A valid account name may contain only lowercase
     * letters, numbers, and the '-' character, and must be between 3 and 50 characters.
     *
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return whether resource exists along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<Boolean> checkNameExistsWithResponse(String accountName, Context context) {
        return checkNameExistsWithResponseAsync(accountName, context).block();
    }

    /**
     * Checks that the Azure Cosmos DB account name already exists. A valid account name may contain only lowercase
     * letters, numbers, and the '-' character, and must be between 3 and 50 characters.
     *
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return whether resource exists.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public boolean checkNameExists(String accountName) {
        return checkNameExistsWithResponse(accountName, Context.NONE).getValue();
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request along with {@link PagedResponse} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricInner>> listMetricsSinglePageAsync(
        String resourceGroupName, String accountName, String filter) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (filter == null) {
            return Mono.error(new IllegalArgumentException("Parameter filter is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listMetrics(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            filter,
                            accept,
                            context))
            .<PagedResponse<MetricInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request along with {@link PagedResponse} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricInner>> listMetricsSinglePageAsync(
        String resourceGroupName, String accountName, String filter, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        if (filter == null) {
            return Mono.error(new IllegalArgumentException("Parameter filter is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listMetrics(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                filter,
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<MetricInner> listMetricsAsync(String resourceGroupName, String accountName, String filter) {
        return new PagedFlux<>(() -> listMetricsSinglePageAsync(resourceGroupName, accountName, filter));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<MetricInner> listMetricsAsync(
        String resourceGroupName, String accountName, String filter, Context context) {
        return new PagedFlux<>(() -> listMetricsSinglePageAsync(resourceGroupName, accountName, filter, context));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricInner> listMetrics(String resourceGroupName, String accountName, String filter) {
        return new PagedIterable<>(listMetricsAsync(resourceGroupName, accountName, filter));
    }

    /**
     * Retrieves the metrics determined by the given filter for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of metrics to return. The parameters that can be
     *     filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
     *     timeGrain. The supported operator is eq.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metrics request as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricInner> listMetrics(
        String resourceGroupName, String accountName, String filter, Context context) {
        return new PagedIterable<>(listMetricsAsync(resourceGroupName, accountName, filter, context));
    }

    /**
     * Retrieves the usages (most recent data) for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request along with {@link PagedResponse} on successful completion of {@link
     *     Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<UsageInner>> listUsagesSinglePageAsync(
        String resourceGroupName, String accountName, String filter) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listUsages(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            filter,
                            accept,
                            context))
            .<PagedResponse<UsageInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Retrieves the usages (most recent data) for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request along with {@link PagedResponse} on successful completion of {@link
     *     Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<UsageInner>> listUsagesSinglePageAsync(
        String resourceGroupName, String accountName, String filter, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listUsages(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                filter,
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Retrieves the usages (most recent data) for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<UsageInner> listUsagesAsync(String resourceGroupName, String accountName, String filter) {
        return new PagedFlux<>(() -> listUsagesSinglePageAsync(resourceGroupName, accountName, filter));
    }

    /**
     * Retrieves the usages (most recent data) for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<UsageInner> listUsagesAsync(String resourceGroupName, String accountName) {
        final String filter = null;
        return new PagedFlux<>(() -> listUsagesSinglePageAsync(resourceGroupName, accountName, filter));
    }

    /**
     * Retrieves the usages (most recent data) for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<UsageInner> listUsagesAsync(
        String resourceGroupName, String accountName, String filter, Context context) {
        return new PagedFlux<>(() -> listUsagesSinglePageAsync(resourceGroupName, accountName, filter, context));
    }

    /**
     * Retrieves the usages (most recent data) for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<UsageInner> listUsages(String resourceGroupName, String accountName) {
        final String filter = null;
        return new PagedIterable<>(listUsagesAsync(resourceGroupName, accountName, filter));
    }

    /**
     * Retrieves the usages (most recent data) for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param filter An OData filter expression that describes a subset of usages to return. The supported parameter is
     *     name.value (name of the metric, can have an or of multiple names).
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list usage request as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<UsageInner> listUsages(
        String resourceGroupName, String accountName, String filter, Context context) {
        return new PagedIterable<>(listUsagesAsync(resourceGroupName, accountName, filter, context));
    }

    /**
     * Retrieves metric definitions for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricDefinitionInner>> listMetricDefinitionsSinglePageAsync(
        String resourceGroupName, String accountName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listMetricDefinitions(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            accountName,
                            this.client.getApiVersion(),
                            accept,
                            context))
            .<PagedResponse<MetricDefinitionInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Retrieves metric definitions for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricDefinitionInner>> listMetricDefinitionsSinglePageAsync(
        String resourceGroupName, String accountName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (accountName == null) {
            return Mono.error(new IllegalArgumentException("Parameter accountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listMetricDefinitions(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                accountName,
                this.client.getApiVersion(),
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Retrieves metric definitions for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<MetricDefinitionInner> listMetricDefinitionsAsync(String resourceGroupName, String accountName) {
        return new PagedFlux<>(() -> listMetricDefinitionsSinglePageAsync(resourceGroupName, accountName));
    }

    /**
     * Retrieves metric definitions for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<MetricDefinitionInner> listMetricDefinitionsAsync(
        String resourceGroupName, String accountName, Context context) {
        return new PagedFlux<>(() -> listMetricDefinitionsSinglePageAsync(resourceGroupName, accountName, context));
    }

    /**
     * Retrieves metric definitions for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricDefinitionInner> listMetricDefinitions(String resourceGroupName, String accountName) {
        return new PagedIterable<>(listMetricDefinitionsAsync(resourceGroupName, accountName));
    }

    /**
     * Retrieves metric definitions for the given database account.
     *
     * @param resourceGroupName The name of the resource group. The name is case insensitive.
     * @param accountName Cosmos DB database account name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the response to a list metric definitions request as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricDefinitionInner> listMetricDefinitions(
        String resourceGroupName, String accountName, Context context) {
        return new PagedIterable<>(listMetricDefinitionsAsync(resourceGroupName, accountName, context));
    }
}
