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

package com.azure.resourcemanager.dns.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.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.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.dns.fluent.ZonesClient;
import com.azure.resourcemanager.dns.fluent.models.ZoneInner;
import com.azure.resourcemanager.dns.models.ZoneListResult;
import com.azure.resourcemanager.dns.models.ZoneUpdate;
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 ZonesClient. */
public final class ZonesClientImpl
    implements InnerSupportsGet<ZoneInner>, InnerSupportsListing<ZoneInner>, InnerSupportsDelete<Void>, ZonesClient {
    /** The proxy service used to perform REST calls. */
    private final ZonesService service;

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

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

    /**
     * The interface defining all the services for DnsManagementClientZones to be used by the proxy service to perform
     * REST calls.
     */
    @Host("{$host}")
    @ServiceInterface(name = "DnsManagementClientZ")
    public interface ZonesService {
        @Headers({"Content-Type: application/json"})
        @Put(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/dnsZones/{zoneName}")
        @ExpectedResponses({200, 201})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ZoneInner>> createOrUpdate(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("zoneName") String zoneName,
            @HeaderParam("If-Match") String ifMatch,
            @HeaderParam("If-None-Match") String ifNoneMatch,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @BodyParam("application/json") ZoneInner parameters,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Delete(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/dnsZones/{zoneName}")
        @ExpectedResponses({200, 202, 204})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> delete(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("zoneName") String zoneName,
            @HeaderParam("If-Match") String ifMatch,
            @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.Network/dnsZones/{zoneName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ZoneInner>> getByResourceGroup(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("zoneName") String zoneName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Patch(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/dnsZones/{zoneName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ZoneInner>> update(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("zoneName") String zoneName,
            @HeaderParam("If-Match") String ifMatch,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @BodyParam("application/json") ZoneUpdate parameters,
            @HeaderParam("Accept") String accept,
            Context context);

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

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

        @Headers({"Content-Type: application/json"})
        @Get("{nextLink}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ZoneListResult>> listByResourceGroupNext(
            @PathParam(value = "nextLink", encoded = true) String nextLink,
            @HostParam("$host") String endpoint,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get("{nextLink}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ZoneListResult>> listNext(
            @PathParam(value = "nextLink", encoded = true) String nextLink,
            @HostParam("$host") String endpoint,
            @HeaderParam("Accept") String accept,
            Context context);
    }

    /**
     * Creates or updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the CreateOrUpdate operation.
     * @param ifMatch The etag of the DNS zone. Omit this value to always overwrite the current zone. Specify the
     *     last-seen etag value to prevent accidentally overwriting any concurrent changes.
     * @param ifNoneMatch Set to '*' to allow a new DNS zone to be created, but to prevent updating an existing zone.
     *     Other values will be ignored.
     * @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 describes a DNS zone along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<ZoneInner>> createOrUpdateWithResponseAsync(
        String resourceGroupName, String zoneName, ZoneInner parameters, String ifMatch, String ifNoneMatch) {
        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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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 (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .createOrUpdate(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            zoneName,
                            ifMatch,
                            ifNoneMatch,
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            parameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Creates or updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the CreateOrUpdate operation.
     * @param ifMatch The etag of the DNS zone. Omit this value to always overwrite the current zone. Specify the
     *     last-seen etag value to prevent accidentally overwriting any concurrent changes.
     * @param ifNoneMatch Set to '*' to allow a new DNS zone to be created, but to prevent updating an existing zone.
     *     Other values will be ignored.
     * @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 describes a DNS zone along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ZoneInner>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String zoneName,
        ZoneInner parameters,
        String ifMatch,
        String ifNoneMatch,
        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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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 (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .createOrUpdate(
                this.client.getEndpoint(),
                resourceGroupName,
                zoneName,
                ifMatch,
                ifNoneMatch,
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                parameters,
                accept,
                context);
    }

    /**
     * Creates or updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the CreateOrUpdate 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 describes a DNS zone on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<ZoneInner> createOrUpdateAsync(String resourceGroupName, String zoneName, ZoneInner parameters) {
        final String ifMatch = null;
        final String ifNoneMatch = null;
        return createOrUpdateWithResponseAsync(resourceGroupName, zoneName, parameters, ifMatch, ifNoneMatch)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Creates or updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the CreateOrUpdate operation.
     * @param ifMatch The etag of the DNS zone. Omit this value to always overwrite the current zone. Specify the
     *     last-seen etag value to prevent accidentally overwriting any concurrent changes.
     * @param ifNoneMatch Set to '*' to allow a new DNS zone to be created, but to prevent updating an existing zone.
     *     Other values will be ignored.
     * @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 describes a DNS zone along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ZoneInner> createOrUpdateWithResponse(
        String resourceGroupName,
        String zoneName,
        ZoneInner parameters,
        String ifMatch,
        String ifNoneMatch,
        Context context) {
        return createOrUpdateWithResponseAsync(resourceGroupName, zoneName, parameters, ifMatch, ifNoneMatch, context)
            .block();
    }

    /**
     * Creates or updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the CreateOrUpdate 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 describes a DNS zone.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ZoneInner createOrUpdate(String resourceGroupName, String zoneName, ZoneInner parameters) {
        final String ifMatch = null;
        final String ifNoneMatch = null;
        return createOrUpdateWithResponse(resourceGroupName, zoneName, parameters, ifMatch, ifNoneMatch, Context.NONE)
            .getValue();
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch) {
        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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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
                        .delete(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            zoneName,
                            ifMatch,
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch, 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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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
            .delete(
                this.client.getEndpoint(),
                resourceGroupName,
                zoneName,
                ifMatch,
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch) {
        Mono<Response<Flux<ByteBuffer>>> mono = deleteWithResponseAsync(resourceGroupName, zoneName, ifMatch);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 zoneName) {
        final String ifMatch = null;
        Mono<Response<Flux<ByteBuffer>>> mono = deleteWithResponseAsync(resourceGroupName, zoneName, ifMatch);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch, Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono = deleteWithResponseAsync(resourceGroupName, zoneName, ifMatch, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 zoneName) {
        final String ifMatch = null;
        return this.beginDeleteAsync(resourceGroupName, zoneName, ifMatch).getSyncPoller();
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch, Context context) {
        return this.beginDeleteAsync(resourceGroupName, zoneName, ifMatch, context).getSyncPoller();
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch) {
        return beginDeleteAsync(resourceGroupName, zoneName, ifMatch)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 zoneName) {
        final String ifMatch = null;
        return beginDeleteAsync(resourceGroupName, zoneName, ifMatch)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch, Context context) {
        return beginDeleteAsync(resourceGroupName, zoneName, ifMatch, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 zoneName) {
        final String ifMatch = null;
        deleteAsync(resourceGroupName, zoneName, ifMatch).block();
    }

    /**
     * Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen
     *     etag value to prevent accidentally deleting any concurrent changes.
     * @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 zoneName, String ifMatch, Context context) {
        deleteAsync(resourceGroupName, zoneName, ifMatch, context).block();
    }

    /**
     * Gets a DNS zone. Retrieves the zone properties, but not the record sets within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 DNS zone along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<ZoneInner>> getByResourceGroupWithResponseAsync(String resourceGroupName, String zoneName) {
        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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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
                        .getByResourceGroup(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            zoneName,
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets a DNS zone. Retrieves the zone properties, but not the record sets within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 DNS zone along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ZoneInner>> getByResourceGroupWithResponseAsync(
        String resourceGroupName, String zoneName, 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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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
            .getByResourceGroup(
                this.client.getEndpoint(),
                resourceGroupName,
                zoneName,
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * Gets a DNS zone. Retrieves the zone properties, but not the record sets within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 DNS zone on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<ZoneInner> getByResourceGroupAsync(String resourceGroupName, String zoneName) {
        return getByResourceGroupWithResponseAsync(resourceGroupName, zoneName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Gets a DNS zone. Retrieves the zone properties, but not the record sets within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 DNS zone along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ZoneInner> getByResourceGroupWithResponse(
        String resourceGroupName, String zoneName, Context context) {
        return getByResourceGroupWithResponseAsync(resourceGroupName, zoneName, context).block();
    }

    /**
     * Gets a DNS zone. Retrieves the zone properties, but not the record sets within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @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 DNS zone.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ZoneInner getByResourceGroup(String resourceGroupName, String zoneName) {
        return getByResourceGroupWithResponse(resourceGroupName, zoneName, Context.NONE).getValue();
    }

    /**
     * Updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the Update operation.
     * @param ifMatch The etag of the DNS zone. Omit this value to always overwrite the current zone. Specify the
     *     last-seen etag value to prevent accidentally overwriting any concurrent changes.
     * @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 describes a DNS zone along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<ZoneInner>> updateWithResponseAsync(
        String resourceGroupName, String zoneName, ZoneUpdate parameters, String ifMatch) {
        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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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 (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .update(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            zoneName,
                            ifMatch,
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            parameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the Update operation.
     * @param ifMatch The etag of the DNS zone. Omit this value to always overwrite the current zone. Specify the
     *     last-seen etag value to prevent accidentally overwriting any concurrent changes.
     * @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 describes a DNS zone along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ZoneInner>> updateWithResponseAsync(
        String resourceGroupName, String zoneName, ZoneUpdate parameters, String ifMatch, 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 (zoneName == null) {
            return Mono.error(new IllegalArgumentException("Parameter zoneName 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 (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .update(
                this.client.getEndpoint(),
                resourceGroupName,
                zoneName,
                ifMatch,
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                parameters,
                accept,
                context);
    }

    /**
     * Updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the Update 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 describes a DNS zone on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<ZoneInner> updateAsync(String resourceGroupName, String zoneName, ZoneUpdate parameters) {
        final String ifMatch = null;
        return updateWithResponseAsync(resourceGroupName, zoneName, parameters, ifMatch)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the Update operation.
     * @param ifMatch The etag of the DNS zone. Omit this value to always overwrite the current zone. Specify the
     *     last-seen etag value to prevent accidentally overwriting any concurrent changes.
     * @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 describes a DNS zone along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ZoneInner> updateWithResponse(
        String resourceGroupName, String zoneName, ZoneUpdate parameters, String ifMatch, Context context) {
        return updateWithResponseAsync(resourceGroupName, zoneName, parameters, ifMatch, context).block();
    }

    /**
     * Updates a DNS zone. Does not modify DNS records within the zone.
     *
     * @param resourceGroupName The name of the resource group.
     * @param zoneName The name of the DNS zone (without a terminating dot).
     * @param parameters Parameters supplied to the Update 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 describes a DNS zone.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ZoneInner update(String resourceGroupName, String zoneName, ZoneUpdate parameters) {
        final String ifMatch = null;
        return updateWithResponse(resourceGroupName, zoneName, parameters, ifMatch, Context.NONE).getValue();
    }

    /**
     * Lists the DNS zones within a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param top The maximum number of record sets to return. If not specified, returns up to 100 record sets.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listByResourceGroupSinglePageAsync(String resourceGroupName, Integer top) {
        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,
                            top,
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .<PagedResponse<ZoneInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists the DNS zones within a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param top The maximum number of record sets to return. If not specified, returns up to 100 record sets.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listByResourceGroupSinglePageAsync(
        String resourceGroupName, Integer top, 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,
                top,
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Lists the DNS zones within a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param top The maximum number of record sets to return. If not specified, returns up to 100 record sets.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<ZoneInner> listByResourceGroupAsync(String resourceGroupName, Integer top) {
        return new PagedFlux<>(
            () -> listByResourceGroupSinglePageAsync(resourceGroupName, top),
            nextLink -> listByResourceGroupNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the DNS zones within a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<ZoneInner> listByResourceGroupAsync(String resourceGroupName) {
        final Integer top = null;
        return new PagedFlux<>(
            () -> listByResourceGroupSinglePageAsync(resourceGroupName, top),
            nextLink -> listByResourceGroupNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the DNS zones within a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param top The maximum number of record sets to return. If not specified, returns up to 100 record sets.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<ZoneInner> listByResourceGroupAsync(String resourceGroupName, Integer top, Context context) {
        return new PagedFlux<>(
            () -> listByResourceGroupSinglePageAsync(resourceGroupName, top, context),
            nextLink -> listByResourceGroupNextSinglePageAsync(nextLink, context));
    }

    /**
     * Lists the DNS zones within a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ZoneInner> listByResourceGroup(String resourceGroupName) {
        final Integer top = null;
        return new PagedIterable<>(listByResourceGroupAsync(resourceGroupName, top));
    }

    /**
     * Lists the DNS zones within a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param top The maximum number of record sets to return. If not specified, returns up to 100 record sets.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ZoneInner> listByResourceGroup(String resourceGroupName, Integer top, Context context) {
        return new PagedIterable<>(listByResourceGroupAsync(resourceGroupName, top, context));
    }

    /**
     * Lists the DNS zones in all resource groups in a subscription.
     *
     * @param top The maximum number of DNS zones to return. If not specified, returns up to 100 zones.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listSinglePageAsync(Integer top) {
        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(),
                            top,
                            this.client.getApiVersion(),
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .<PagedResponse<ZoneInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists the DNS zones in all resource groups in a subscription.
     *
     * @param top The maximum number of DNS zones to return. If not specified, returns up to 100 zones.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listSinglePageAsync(Integer top, 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(),
                top,
                this.client.getApiVersion(),
                this.client.getSubscriptionId(),
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Lists the DNS zones in all resource groups in a subscription.
     *
     * @param top The maximum number of DNS zones to return. If not specified, returns up to 100 zones.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<ZoneInner> listAsync(Integer top) {
        return new PagedFlux<>(() -> listSinglePageAsync(top), nextLink -> listNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the DNS zones in all resource groups in a 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 response to a Zone List or ListAll operation as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<ZoneInner> listAsync() {
        final Integer top = null;
        return new PagedFlux<>(() -> listSinglePageAsync(top), nextLink -> listNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the DNS zones in all resource groups in a subscription.
     *
     * @param top The maximum number of DNS zones to return. If not specified, returns up to 100 zones.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<ZoneInner> listAsync(Integer top, Context context) {
        return new PagedFlux<>(
            () -> listSinglePageAsync(top, context), nextLink -> listNextSinglePageAsync(nextLink, context));
    }

    /**
     * Lists the DNS zones in all resource groups in a 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 response to a Zone List or ListAll operation as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ZoneInner> list() {
        final Integer top = null;
        return new PagedIterable<>(listAsync(top));
    }

    /**
     * Lists the DNS zones in all resource groups in a subscription.
     *
     * @param top The maximum number of DNS zones to return. If not specified, returns up to 100 zones.
     * @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 Zone List or ListAll operation as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ZoneInner> list(Integer top, Context context) {
        return new PagedIterable<>(listAsync(top, context));
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listByResourceGroupNextSinglePageAsync(String nextLink) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context -> service.listByResourceGroupNext(nextLink, this.client.getEndpoint(), accept, context))
            .<PagedResponse<ZoneInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listByResourceGroupNextSinglePageAsync(String nextLink, Context context) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByResourceGroupNext(nextLink, this.client.getEndpoint(), accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listNextSinglePageAsync(String nextLink) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.listNext(nextLink, this.client.getEndpoint(), accept, context))
            .<PagedResponse<ZoneInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @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 Zone List or ListAll operation along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ZoneInner>> listNextSinglePageAsync(String nextLink, Context context) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listNext(nextLink, this.client.getEndpoint(), accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }
}
