// 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.Post;
import com.azure.core.annotation.Put;
import com.azure.core.annotation.QueryParam;
import com.azure.core.annotation.ReturnType;
import com.azure.core.annotation.ServiceInterface;
import com.azure.core.annotation.ServiceMethod;
import com.azure.core.annotation.UnexpectedResponseExceptionType;
import com.azure.core.http.rest.PagedFlux;
import com.azure.core.http.rest.PagedIterable;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.PagedResponseBase;
import com.azure.core.http.rest.Response;
import com.azure.core.http.rest.RestProxy;
import com.azure.core.management.exception.ManagementException;
import com.azure.core.management.polling.PollResult;
import com.azure.core.util.Context;
import com.azure.core.util.FluxUtil;
import com.azure.core.util.polling.PollerFlux;
import com.azure.core.util.polling.SyncPoller;
import com.azure.resourcemanager.network.fluent.VpnConnectionsClient;
import com.azure.resourcemanager.network.fluent.models.VpnConnectionInner;
import com.azure.resourcemanager.network.models.ListVpnConnectionsResult;
import com.azure.resourcemanager.network.models.VpnConnectionPacketCaptureStartParameters;
import com.azure.resourcemanager.network.models.VpnConnectionPacketCaptureStopParameters;
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 VpnConnectionsClient. */
public final class VpnConnectionsClientImpl implements VpnConnectionsClient {
    /** The proxy service used to perform REST calls. */
    private final VpnConnectionsService service;

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

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

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

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

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

        @Headers({"Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/vpnGateways/{gatewayName}/vpnConnections/{vpnConnectionName}/startpacketcapture")
        @ExpectedResponses({200, 202})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> startPacketCapture(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("gatewayName") String gatewayName,
            @PathParam("vpnConnectionName") String vpnConnectionName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @BodyParam("application/json") VpnConnectionPacketCaptureStartParameters parameters,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Post(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/vpnGateways/{gatewayName}/vpnConnections/{vpnConnectionName}/stoppacketcapture")
        @ExpectedResponses({200, 202})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Flux<ByteBuffer>>> stopPacketCapture(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("gatewayName") String gatewayName,
            @PathParam("vpnConnectionName") String vpnConnectionName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @BodyParam("application/json") VpnConnectionPacketCaptureStopParameters parameters,
            @HeaderParam("Accept") String accept,
            Context context);

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

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

    /**
     * Retrieves the details of a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the vpn connection.
     * @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 vpnConnection Resource along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<VpnConnectionInner>> getWithResponseAsync(
        String resourceGroupName, String gatewayName, String connectionName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (connectionName == null) {
            return Mono.error(new IllegalArgumentException("Parameter connectionName 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(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            gatewayName,
                            connectionName,
                            apiVersion,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Retrieves the details of a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the vpn connection.
     * @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 vpnConnection Resource along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<VpnConnectionInner>> getWithResponseAsync(
        String resourceGroupName, String gatewayName, String connectionName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (connectionName == null) {
            return Mono.error(new IllegalArgumentException("Parameter connectionName 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(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                gatewayName,
                connectionName,
                apiVersion,
                accept,
                context);
    }

    /**
     * Retrieves the details of a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the vpn connection.
     * @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 vpnConnection Resource on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VpnConnectionInner> getAsync(String resourceGroupName, String gatewayName, String connectionName) {
        return getWithResponseAsync(resourceGroupName, gatewayName, connectionName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Retrieves the details of a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the vpn connection.
     * @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 vpnConnection Resource along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<VpnConnectionInner> getWithResponse(
        String resourceGroupName, String gatewayName, String connectionName, Context context) {
        return getWithResponseAsync(resourceGroupName, gatewayName, connectionName, context).block();
    }

    /**
     * Retrieves the details of a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the vpn connection.
     * @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 vpnConnection Resource.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VpnConnectionInner get(String resourceGroupName, String gatewayName, String connectionName) {
        return getWithResponse(resourceGroupName, gatewayName, connectionName, Context.NONE).getValue();
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (connectionName == null) {
            return Mono.error(new IllegalArgumentException("Parameter connectionName is required and cannot be null."));
        }
        if (vpnConnectionParameters == null) {
            return Mono
                .error(
                    new IllegalArgumentException("Parameter vpnConnectionParameters is required and cannot be null."));
        } else {
            vpnConnectionParameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .createOrUpdate(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            gatewayName,
                            connectionName,
                            apiVersion,
                            vpnConnectionParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (connectionName == null) {
            return Mono.error(new IllegalArgumentException("Parameter connectionName is required and cannot be null."));
        }
        if (vpnConnectionParameters == null) {
            return Mono
                .error(
                    new IllegalArgumentException("Parameter vpnConnectionParameters is required and cannot be null."));
        } else {
            vpnConnectionParameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .createOrUpdate(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                gatewayName,
                connectionName,
                apiVersion,
                vpnConnectionParameters,
                accept,
                context);
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<VpnConnectionInner>, VpnConnectionInner> beginCreateOrUpdateAsync(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(resourceGroupName, gatewayName, connectionName, vpnConnectionParameters);
        return this
            .client
            .<VpnConnectionInner, VpnConnectionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VpnConnectionInner.class,
                VpnConnectionInner.class,
                this.client.getContext());
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<VpnConnectionInner>, VpnConnectionInner> beginCreateOrUpdateAsync(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters,
        Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(
                resourceGroupName, gatewayName, connectionName, vpnConnectionParameters, context);
        return this
            .client
            .<VpnConnectionInner, VpnConnectionInner>getLroResult(
                mono, this.client.getHttpPipeline(), VpnConnectionInner.class, VpnConnectionInner.class, context);
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VpnConnectionInner>, VpnConnectionInner> beginCreateOrUpdate(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters) {
        return this
            .beginCreateOrUpdateAsync(resourceGroupName, gatewayName, connectionName, vpnConnectionParameters)
            .getSyncPoller();
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VpnConnectionInner>, VpnConnectionInner> beginCreateOrUpdate(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters,
        Context context) {
        return this
            .beginCreateOrUpdateAsync(resourceGroupName, gatewayName, connectionName, vpnConnectionParameters, context)
            .getSyncPoller();
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VpnConnectionInner> createOrUpdateAsync(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters) {
        return beginCreateOrUpdateAsync(resourceGroupName, gatewayName, connectionName, vpnConnectionParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<VpnConnectionInner> createOrUpdateAsync(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters,
        Context context) {
        return beginCreateOrUpdateAsync(
                resourceGroupName, gatewayName, connectionName, vpnConnectionParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VpnConnectionInner createOrUpdate(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters) {
        return createOrUpdateAsync(resourceGroupName, gatewayName, connectionName, vpnConnectionParameters).block();
    }

    /**
     * Creates a vpn connection to a scalable vpn gateway if it doesn't exist else updates the existing connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @param vpnConnectionParameters Parameters supplied to create or Update a VPN Connection.
     * @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 vpnConnection Resource.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VpnConnectionInner createOrUpdate(
        String resourceGroupName,
        String gatewayName,
        String connectionName,
        VpnConnectionInner vpnConnectionParameters,
        Context context) {
        return createOrUpdateAsync(resourceGroupName, gatewayName, connectionName, vpnConnectionParameters, context)
            .block();
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (connectionName == null) {
            return Mono.error(new IllegalArgumentException("Parameter connectionName 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(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            gatewayName,
                            connectionName,
                            apiVersion,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (connectionName == null) {
            return Mono.error(new IllegalArgumentException("Parameter connectionName 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(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                gatewayName,
                connectionName,
                apiVersion,
                accept,
                context);
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName) {
        Mono<Response<Flux<ByteBuffer>>> mono = deleteWithResponseAsync(resourceGroupName, gatewayName, connectionName);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName, Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            deleteWithResponseAsync(resourceGroupName, gatewayName, connectionName, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName) {
        return this.beginDeleteAsync(resourceGroupName, gatewayName, connectionName).getSyncPoller();
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName, Context context) {
        return this.beginDeleteAsync(resourceGroupName, gatewayName, connectionName, context).getSyncPoller();
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName) {
        return beginDeleteAsync(resourceGroupName, gatewayName, connectionName)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName, Context context) {
        return beginDeleteAsync(resourceGroupName, gatewayName, connectionName, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName) {
        deleteAsync(resourceGroupName, gatewayName, connectionName).block();
    }

    /**
     * Deletes a vpn connection.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @param connectionName The name of the connection.
     * @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 gatewayName, String connectionName, Context context) {
        deleteAsync(resourceGroupName, gatewayName, connectionName, context).block();
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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 body along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> startPacketCaptureWithResponseAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters) {
        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 (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (vpnConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vpnConnectionName 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) {
            parameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .startPacketCapture(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            gatewayName,
                            vpnConnectionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            parameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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 body along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> startPacketCaptureWithResponseAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters,
        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 (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (vpnConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vpnConnectionName 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) {
            parameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .startPacketCapture(
                this.client.getEndpoint(),
                resourceGroupName,
                gatewayName,
                vpnConnectionName,
                apiVersion,
                this.client.getSubscriptionId(),
                parameters,
                accept,
                context);
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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<String>, String> beginStartPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            startPacketCaptureWithResponseAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters);
        return this
            .client
            .<String, String>getLroResult(
                mono, this.client.getHttpPipeline(), String.class, String.class, this.client.getContext());
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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<String>, String> beginStartPacketCaptureAsync(
        String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStartParameters parameters = null;
        Mono<Response<Flux<ByteBuffer>>> mono =
            startPacketCaptureWithResponseAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters);
        return this
            .client
            .<String, String>getLroResult(
                mono, this.client.getHttpPipeline(), String.class, String.class, this.client.getContext());
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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<String>, String> beginStartPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters,
        Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            startPacketCaptureWithResponseAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context);
        return this
            .client
            .<String, String>getLroResult(mono, this.client.getHttpPipeline(), String.class, String.class, context);
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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<String>, String> beginStartPacketCapture(
        String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStartParameters parameters = null;
        return this
            .beginStartPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters)
            .getSyncPoller();
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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<String>, String> beginStartPacketCapture(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters,
        Context context) {
        return this
            .beginStartPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context)
            .getSyncPoller();
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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 body on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<String> startPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters) {
        return beginStartPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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 body on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<String> startPacketCaptureAsync(
        String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStartParameters parameters = null;
        return beginStartPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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 body on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<String> startPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters,
        Context context) {
        return beginStartPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public String startPacketCapture(String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStartParameters parameters = null;
        return startPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters).block();
    }

    /**
     * Starts packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to start packet capture on gateway
     *     connection.
     * @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.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public String startPacketCapture(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStartParameters parameters,
        Context context) {
        return startPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context).block();
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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 body along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> stopPacketCaptureWithResponseAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters) {
        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 (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (vpnConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vpnConnectionName 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) {
            parameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .stopPacketCapture(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            gatewayName,
                            vpnConnectionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            parameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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 body along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> stopPacketCaptureWithResponseAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters,
        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 (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        if (vpnConnectionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vpnConnectionName 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) {
            parameters.validate();
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .stopPacketCapture(
                this.client.getEndpoint(),
                resourceGroupName,
                gatewayName,
                vpnConnectionName,
                apiVersion,
                this.client.getSubscriptionId(),
                parameters,
                accept,
                context);
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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<String>, String> beginStopPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            stopPacketCaptureWithResponseAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters);
        return this
            .client
            .<String, String>getLroResult(
                mono, this.client.getHttpPipeline(), String.class, String.class, this.client.getContext());
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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<String>, String> beginStopPacketCaptureAsync(
        String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStopParameters parameters = null;
        Mono<Response<Flux<ByteBuffer>>> mono =
            stopPacketCaptureWithResponseAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters);
        return this
            .client
            .<String, String>getLroResult(
                mono, this.client.getHttpPipeline(), String.class, String.class, this.client.getContext());
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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<String>, String> beginStopPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters,
        Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            stopPacketCaptureWithResponseAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context);
        return this
            .client
            .<String, String>getLroResult(mono, this.client.getHttpPipeline(), String.class, String.class, context);
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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<String>, String> beginStopPacketCapture(
        String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStopParameters parameters = null;
        return this
            .beginStopPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters)
            .getSyncPoller();
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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<String>, String> beginStopPacketCapture(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters,
        Context context) {
        return this
            .beginStopPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context)
            .getSyncPoller();
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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 body on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<String> stopPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters) {
        return beginStopPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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 body on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<String> stopPacketCaptureAsync(String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStopParameters parameters = null;
        return beginStopPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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 body on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<String> stopPacketCaptureAsync(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters,
        Context context) {
        return beginStopPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @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.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public String stopPacketCapture(String resourceGroupName, String gatewayName, String vpnConnectionName) {
        final VpnConnectionPacketCaptureStopParameters parameters = null;
        return stopPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters).block();
    }

    /**
     * Stops packet capture on Vpn connection in the specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param gatewayName The name of the gateway.
     * @param vpnConnectionName The name of the vpn connection.
     * @param parameters Vpn Connection packet capture parameters supplied to stop packet capture on gateway connection.
     * @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.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public String stopPacketCapture(
        String resourceGroupName,
        String gatewayName,
        String vpnConnectionName,
        VpnConnectionPacketCaptureStopParameters parameters,
        Context context) {
        return stopPacketCaptureAsync(resourceGroupName, gatewayName, vpnConnectionName, parameters, context).block();
    }

    /**
     * Retrieves all vpn connections for a particular virtual wan vpn gateway.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @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 result of the request to list all vpn connections to a virtual wan vpn gateway along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<VpnConnectionInner>> listByVpnGatewaySinglePageAsync(
        String resourceGroupName, String gatewayName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .listByVpnGateway(
                            this.client.getEndpoint(),
                            this.client.getSubscriptionId(),
                            resourceGroupName,
                            gatewayName,
                            apiVersion,
                            accept,
                            context))
            .<PagedResponse<VpnConnectionInner>>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()));
    }

    /**
     * Retrieves all vpn connections for a particular virtual wan vpn gateway.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @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 result of the request to list all vpn connections to a virtual wan vpn gateway along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<VpnConnectionInner>> listByVpnGatewaySinglePageAsync(
        String resourceGroupName, String gatewayName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (gatewayName == null) {
            return Mono.error(new IllegalArgumentException("Parameter gatewayName is required and cannot be null."));
        }
        final String apiVersion = "2022-11-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByVpnGateway(
                this.client.getEndpoint(),
                this.client.getSubscriptionId(),
                resourceGroupName,
                gatewayName,
                apiVersion,
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Retrieves all vpn connections for a particular virtual wan vpn gateway.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @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 result of the request to list all vpn connections to a virtual wan vpn gateway as paginated response with
     *     {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<VpnConnectionInner> listByVpnGatewayAsync(String resourceGroupName, String gatewayName) {
        return new PagedFlux<>(
            () -> listByVpnGatewaySinglePageAsync(resourceGroupName, gatewayName),
            nextLink -> listByVpnGatewayNextSinglePageAsync(nextLink));
    }

    /**
     * Retrieves all vpn connections for a particular virtual wan vpn gateway.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @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 result of the request to list all vpn connections to a virtual wan vpn gateway as paginated response with
     *     {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<VpnConnectionInner> listByVpnGatewayAsync(
        String resourceGroupName, String gatewayName, Context context) {
        return new PagedFlux<>(
            () -> listByVpnGatewaySinglePageAsync(resourceGroupName, gatewayName, context),
            nextLink -> listByVpnGatewayNextSinglePageAsync(nextLink, context));
    }

    /**
     * Retrieves all vpn connections for a particular virtual wan vpn gateway.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @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 result of the request to list all vpn connections to a virtual wan vpn gateway as paginated response with
     *     {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<VpnConnectionInner> listByVpnGateway(String resourceGroupName, String gatewayName) {
        return new PagedIterable<>(listByVpnGatewayAsync(resourceGroupName, gatewayName));
    }

    /**
     * Retrieves all vpn connections for a particular virtual wan vpn gateway.
     *
     * @param resourceGroupName The resource group name of the VpnGateway.
     * @param gatewayName The name of the gateway.
     * @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 result of the request to list all vpn connections to a virtual wan vpn gateway as paginated response with
     *     {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<VpnConnectionInner> listByVpnGateway(
        String resourceGroupName, String gatewayName, Context context) {
        return new PagedIterable<>(listByVpnGatewayAsync(resourceGroupName, gatewayName, 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 result of the request to list all vpn connections to a virtual wan vpn gateway along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<VpnConnectionInner>> listByVpnGatewayNextSinglePageAsync(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.listByVpnGatewayNext(nextLink, this.client.getEndpoint(), accept, context))
            .<PagedResponse<VpnConnectionInner>>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 result of the request to list all vpn connections to a virtual wan vpn gateway along with {@link
     *     PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<VpnConnectionInner>> listByVpnGatewayNextSinglePageAsync(
        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
            .listByVpnGatewayNext(nextLink, this.client.getEndpoint(), accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }
}
