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

package com.azure.resourcemanager.network.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.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.network.fluent.ExpressRouteCrossConnectionPeeringsClient;
import com.azure.resourcemanager.network.fluent.models.ExpressRouteCrossConnectionPeeringInner;
import com.azure.resourcemanager.network.models.ExpressRouteCrossConnectionPeeringList;
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 ExpressRouteCrossConnectionPeeringsClient.
 */
public final class ExpressRouteCrossConnectionPeeringsClientImpl implements ExpressRouteCrossConnectionPeeringsClient {
    /** The proxy service used to perform REST calls. */
    private final ExpressRouteCrossConnectionPeeringsService service;

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

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

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

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

        @Headers({"Content-Type: application/json"})
        @Put(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/expressRouteCrossConnections/{crossConnectionName}/peerings/{peeringName}")
        @ExpectedResponses({200, 201})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> createOrUpdate(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("crossConnectionName") String crossConnectionName,
            @PathParam("peeringName") String peeringName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @BodyParam("application/json") ExpressRouteCrossConnectionPeeringInner peeringParameters,
            @HeaderParam("Accept") String accept,
            Context context);

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

    /**
     * Gets all peerings in a specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @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 all peerings in a specified ExpressRouteCrossConnection along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ExpressRouteCrossConnectionPeeringInner>> listSinglePageAsync(
        String resourceGroupName, String crossConnectionName) {
        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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName 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 apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .list(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            crossConnectionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .<PagedResponse<ExpressRouteCrossConnectionPeeringInner>>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()));
    }

    /**
     * Gets all peerings in a specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @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 all peerings in a specified ExpressRouteCrossConnection along with {@link PagedResponse} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ExpressRouteCrossConnectionPeeringInner>> listSinglePageAsync(
        String resourceGroupName, String crossConnectionName, 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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName 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 apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .list(
                this.client.getEndpoint(),
                resourceGroupName,
                crossConnectionName,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Gets all peerings in a specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @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 all peerings in a specified ExpressRouteCrossConnection as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<ExpressRouteCrossConnectionPeeringInner> listAsync(
        String resourceGroupName, String crossConnectionName) {
        return new PagedFlux<>(
            () -> listSinglePageAsync(resourceGroupName, crossConnectionName),
            nextLink -> listNextSinglePageAsync(nextLink));
    }

    /**
     * Gets all peerings in a specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @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 all peerings in a specified ExpressRouteCrossConnection as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<ExpressRouteCrossConnectionPeeringInner> listAsync(
        String resourceGroupName, String crossConnectionName, Context context) {
        return new PagedFlux<>(
            () -> listSinglePageAsync(resourceGroupName, crossConnectionName, context),
            nextLink -> listNextSinglePageAsync(nextLink, context));
    }

    /**
     * Gets all peerings in a specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @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 all peerings in a specified ExpressRouteCrossConnection as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ExpressRouteCrossConnectionPeeringInner> list(
        String resourceGroupName, String crossConnectionName) {
        return new PagedIterable<>(listAsync(resourceGroupName, crossConnectionName));
    }

    /**
     * Gets all peerings in a specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @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 all peerings in a specified ExpressRouteCrossConnection as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ExpressRouteCrossConnectionPeeringInner> list(
        String resourceGroupName, String crossConnectionName, Context context) {
        return new PagedIterable<>(listAsync(resourceGroupName, crossConnectionName, context));
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName) {
        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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName is required and cannot be null."));
        }
        if (peeringName == null) {
            return Mono.error(new IllegalArgumentException("Parameter peeringName 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 apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .delete(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            crossConnectionName,
                            peeringName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName, 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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName is required and cannot be null."));
        }
        if (peeringName == null) {
            return Mono.error(new IllegalArgumentException("Parameter peeringName 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 apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .delete(
                this.client.getEndpoint(),
                resourceGroupName,
                crossConnectionName,
                peeringName,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            deleteWithResponseAsync(resourceGroupName, crossConnectionName, peeringName);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName, Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            deleteWithResponseAsync(resourceGroupName, crossConnectionName, peeringName, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName) {
        return this.beginDeleteAsync(resourceGroupName, crossConnectionName, peeringName).getSyncPoller();
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName, Context context) {
        return this.beginDeleteAsync(resourceGroupName, crossConnectionName, peeringName, context).getSyncPoller();
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName) {
        return beginDeleteAsync(resourceGroupName, crossConnectionName, peeringName)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName, Context context) {
        return beginDeleteAsync(resourceGroupName, crossConnectionName, peeringName, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName) {
        deleteAsync(resourceGroupName, crossConnectionName, peeringName).block();
    }

    /**
     * Deletes the specified peering from the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 crossConnectionName, String peeringName, Context context) {
        deleteAsync(resourceGroupName, crossConnectionName, peeringName, context).block();
    }

    /**
     * Gets the specified peering for the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 specified peering for the ExpressRouteCrossConnection along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<ExpressRouteCrossConnectionPeeringInner>> getWithResponseAsync(
        String resourceGroupName, String crossConnectionName, String peeringName) {
        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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName is required and cannot be null."));
        }
        if (peeringName == null) {
            return Mono.error(new IllegalArgumentException("Parameter peeringName 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 apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .get(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            crossConnectionName,
                            peeringName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets the specified peering for the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 specified peering for the ExpressRouteCrossConnection along with {@link Response} on successful
     *     completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ExpressRouteCrossConnectionPeeringInner>> getWithResponseAsync(
        String resourceGroupName, String crossConnectionName, String peeringName, 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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName is required and cannot be null."));
        }
        if (peeringName == null) {
            return Mono.error(new IllegalArgumentException("Parameter peeringName 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 apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .get(
                this.client.getEndpoint(),
                resourceGroupName,
                crossConnectionName,
                peeringName,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * Gets the specified peering for the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 specified peering for the ExpressRouteCrossConnection on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<ExpressRouteCrossConnectionPeeringInner> getAsync(
        String resourceGroupName, String crossConnectionName, String peeringName) {
        return getWithResponseAsync(resourceGroupName, crossConnectionName, peeringName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Gets the specified peering for the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 specified peering for the ExpressRouteCrossConnection along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ExpressRouteCrossConnectionPeeringInner> getWithResponse(
        String resourceGroupName, String crossConnectionName, String peeringName, Context context) {
        return getWithResponseAsync(resourceGroupName, crossConnectionName, peeringName, context).block();
    }

    /**
     * Gets the specified peering for the ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @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 specified peering for the ExpressRouteCrossConnection.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ExpressRouteCrossConnectionPeeringInner get(
        String resourceGroupName, String crossConnectionName, String peeringName) {
        return getWithResponse(resourceGroupName, crossConnectionName, peeringName, Context.NONE).getValue();
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     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 peering in an ExpressRoute Cross Connection resource along with {@link Response} on successful completion
     *     of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String crossConnectionName,
        String peeringName,
        ExpressRouteCrossConnectionPeeringInner peeringParameters) {
        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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName is required and cannot be null."));
        }
        if (peeringName == null) {
            return Mono.error(new IllegalArgumentException("Parameter peeringName 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 (peeringParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter peeringParameters is required and cannot be null."));
        } else {
            peeringParameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .createOrUpdate(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            crossConnectionName,
                            peeringName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            peeringParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     operation.
     * @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 peering in an ExpressRoute Cross Connection resource along with {@link Response} on successful completion
     *     of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String crossConnectionName,
        String peeringName,
        ExpressRouteCrossConnectionPeeringInner peeringParameters,
        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 (crossConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter crossConnectionName is required and cannot be null."));
        }
        if (peeringName == null) {
            return Mono.error(new IllegalArgumentException("Parameter peeringName 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 (peeringParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter peeringParameters is required and cannot be null."));
        } else {
            peeringParameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .createOrUpdate(
                this.client.getEndpoint(),
                resourceGroupName,
                crossConnectionName,
                peeringName,
                apiVersion,
                this.client.getSubscriptionId(),
                peeringParameters,
                accept,
                context);
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     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 peering in an ExpressRoute Cross Connection resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<ExpressRouteCrossConnectionPeeringInner>, ExpressRouteCrossConnectionPeeringInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String crossConnectionName,
            String peeringName,
            ExpressRouteCrossConnectionPeeringInner peeringParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(resourceGroupName, crossConnectionName, peeringName, peeringParameters);
        return this
            .client
            .<ExpressRouteCrossConnectionPeeringInner, ExpressRouteCrossConnectionPeeringInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                ExpressRouteCrossConnectionPeeringInner.class,
                ExpressRouteCrossConnectionPeeringInner.class,
                this.client.getContext());
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     operation.
     * @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 peering in an ExpressRoute Cross Connection resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<ExpressRouteCrossConnectionPeeringInner>, ExpressRouteCrossConnectionPeeringInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String crossConnectionName,
            String peeringName,
            ExpressRouteCrossConnectionPeeringInner peeringParameters,
            Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(
                resourceGroupName, crossConnectionName, peeringName, peeringParameters, context);
        return this
            .client
            .<ExpressRouteCrossConnectionPeeringInner, ExpressRouteCrossConnectionPeeringInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                ExpressRouteCrossConnectionPeeringInner.class,
                ExpressRouteCrossConnectionPeeringInner.class,
                context);
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     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 peering in an ExpressRoute Cross Connection resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<ExpressRouteCrossConnectionPeeringInner>, ExpressRouteCrossConnectionPeeringInner>
        beginCreateOrUpdate(
            String resourceGroupName,
            String crossConnectionName,
            String peeringName,
            ExpressRouteCrossConnectionPeeringInner peeringParameters) {
        return this
            .beginCreateOrUpdateAsync(resourceGroupName, crossConnectionName, peeringName, peeringParameters)
            .getSyncPoller();
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     operation.
     * @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 peering in an ExpressRoute Cross Connection resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<ExpressRouteCrossConnectionPeeringInner>, ExpressRouteCrossConnectionPeeringInner>
        beginCreateOrUpdate(
            String resourceGroupName,
            String crossConnectionName,
            String peeringName,
            ExpressRouteCrossConnectionPeeringInner peeringParameters,
            Context context) {
        return this
            .beginCreateOrUpdateAsync(resourceGroupName, crossConnectionName, peeringName, peeringParameters, context)
            .getSyncPoller();
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     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 peering in an ExpressRoute Cross Connection resource on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<ExpressRouteCrossConnectionPeeringInner> createOrUpdateAsync(
        String resourceGroupName,
        String crossConnectionName,
        String peeringName,
        ExpressRouteCrossConnectionPeeringInner peeringParameters) {
        return beginCreateOrUpdateAsync(resourceGroupName, crossConnectionName, peeringName, peeringParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     operation.
     * @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 peering in an ExpressRoute Cross Connection resource on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<ExpressRouteCrossConnectionPeeringInner> createOrUpdateAsync(
        String resourceGroupName,
        String crossConnectionName,
        String peeringName,
        ExpressRouteCrossConnectionPeeringInner peeringParameters,
        Context context) {
        return beginCreateOrUpdateAsync(resourceGroupName, crossConnectionName, peeringName, peeringParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     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 peering in an ExpressRoute Cross Connection resource.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ExpressRouteCrossConnectionPeeringInner createOrUpdate(
        String resourceGroupName,
        String crossConnectionName,
        String peeringName,
        ExpressRouteCrossConnectionPeeringInner peeringParameters) {
        return createOrUpdateAsync(resourceGroupName, crossConnectionName, peeringName, peeringParameters).block();
    }

    /**
     * Creates or updates a peering in the specified ExpressRouteCrossConnection.
     *
     * @param resourceGroupName The name of the resource group.
     * @param crossConnectionName The name of the ExpressRouteCrossConnection.
     * @param peeringName The name of the peering.
     * @param peeringParameters Parameters supplied to the create or update ExpressRouteCrossConnection peering
     *     operation.
     * @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 peering in an ExpressRoute Cross Connection resource.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ExpressRouteCrossConnectionPeeringInner createOrUpdate(
        String resourceGroupName,
        String crossConnectionName,
        String peeringName,
        ExpressRouteCrossConnectionPeeringInner peeringParameters,
        Context context) {
        return createOrUpdateAsync(resourceGroupName, crossConnectionName, peeringName, peeringParameters, context)
            .block();
    }

    /**
     * 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 response for ListPeering API service call retrieves all peerings that belong to an
     *     ExpressRouteCrossConnection along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ExpressRouteCrossConnectionPeeringInner>> 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<ExpressRouteCrossConnectionPeeringInner>>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 response for ListPeering API service call retrieves all peerings that belong to an
     *     ExpressRouteCrossConnection along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ExpressRouteCrossConnectionPeeringInner>> 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));
    }
}
