/*
 * Copyright 2016 Game Server Services, Inc. or its affiliates. All Rights
 * Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
#if UNITY_2017_1_OR_NEWER
using UnityEngine.Events;
using UnityEngine.Networking;
    #if GS2_ENABLE_UNITASK
using Cysharp.Threading.Tasks;
    #endif
#else
using System.Web;
using System.Net.Http;
using System.Threading.Tasks;
#endif

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using Gs2.Core;
using Gs2.Core.Model;
using Gs2.Core.Net;
using Gs2.Gs2Gateway.Request;
using Gs2.Gs2Gateway.Result;
using Gs2.Util.LitJson;

namespace Gs2.Gs2Gateway
{
	public class Gs2GatewayRestClient : AbstractGs2Client
	{
#if UNITY_2017_1_OR_NEWER
		private readonly CertificateHandler _certificateHandler;
#endif

		public static string Endpoint = "gateway";

        protected Gs2RestSession Gs2RestSession => (Gs2RestSession) Gs2Session;

		public Gs2GatewayRestClient(Gs2RestSession Gs2RestSession) : base(Gs2RestSession)
		{

		}

#if UNITY_2017_1_OR_NEWER
		public Gs2GatewayRestClient(Gs2RestSession gs2RestSession, CertificateHandler certificateHandler) : base(gs2RestSession)
		{
			_certificateHandler = certificateHandler;
		}
#endif


        public class DescribeNamespacesTask : Gs2RestSessionTask<DescribeNamespacesRequest, DescribeNamespacesResult>
        {
            public DescribeNamespacesTask(IGs2Session session, RestSessionRequestFactory factory, DescribeNamespacesRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DescribeNamespacesRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/";

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.PageToken != null) {
                    sessionRequest.AddQueryString("pageToken", $"{request.PageToken}");
                }
                if (request.Limit != null) {
                    sessionRequest.AddQueryString("limit", $"{request.Limit}");
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DescribeNamespaces(
                Request.DescribeNamespacesRequest request,
                UnityAction<AsyncResult<Result.DescribeNamespacesResult>> callback
        )
		{
			var task = new DescribeNamespacesTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DescribeNamespacesResult>(task.Result, task.Error));
        }

		public IFuture<Result.DescribeNamespacesResult> DescribeNamespacesFuture(
                Request.DescribeNamespacesRequest request
        )
		{
			return new DescribeNamespacesTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DescribeNamespacesResult> DescribeNamespacesAsync(
                Request.DescribeNamespacesRequest request
        )
		{
            AsyncResult<Result.DescribeNamespacesResult> result = null;
			await DescribeNamespaces(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DescribeNamespacesTask DescribeNamespacesAsync(
                Request.DescribeNamespacesRequest request
        )
		{
			return new DescribeNamespacesTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DescribeNamespacesResult> DescribeNamespacesAsync(
                Request.DescribeNamespacesRequest request
        )
		{
			var task = new DescribeNamespacesTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class CreateNamespaceTask : Gs2RestSessionTask<CreateNamespaceRequest, CreateNamespaceResult>
        {
            public CreateNamespaceTask(IGs2Session session, RestSessionRequestFactory factory, CreateNamespaceRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(CreateNamespaceRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/";

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.Name != null)
                {
                    jsonWriter.WritePropertyName("name");
                    jsonWriter.Write(request.Name);
                }
                if (request.Description != null)
                {
                    jsonWriter.WritePropertyName("description");
                    jsonWriter.Write(request.Description);
                }
                if (request.FirebaseSecret != null)
                {
                    jsonWriter.WritePropertyName("firebaseSecret");
                    jsonWriter.Write(request.FirebaseSecret);
                }
                if (request.LogSetting != null)
                {
                    jsonWriter.WritePropertyName("logSetting");
                    request.LogSetting.WriteJson(jsonWriter);
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator CreateNamespace(
                Request.CreateNamespaceRequest request,
                UnityAction<AsyncResult<Result.CreateNamespaceResult>> callback
        )
		{
			var task = new CreateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.CreateNamespaceResult>(task.Result, task.Error));
        }

		public IFuture<Result.CreateNamespaceResult> CreateNamespaceFuture(
                Request.CreateNamespaceRequest request
        )
		{
			return new CreateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.CreateNamespaceResult> CreateNamespaceAsync(
                Request.CreateNamespaceRequest request
        )
		{
            AsyncResult<Result.CreateNamespaceResult> result = null;
			await CreateNamespace(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public CreateNamespaceTask CreateNamespaceAsync(
                Request.CreateNamespaceRequest request
        )
		{
			return new CreateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.CreateNamespaceResult> CreateNamespaceAsync(
                Request.CreateNamespaceRequest request
        )
		{
			var task = new CreateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class GetNamespaceStatusTask : Gs2RestSessionTask<GetNamespaceStatusRequest, GetNamespaceStatusResult>
        {
            public GetNamespaceStatusTask(IGs2Session session, RestSessionRequestFactory factory, GetNamespaceStatusRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(GetNamespaceStatusRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/status";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator GetNamespaceStatus(
                Request.GetNamespaceStatusRequest request,
                UnityAction<AsyncResult<Result.GetNamespaceStatusResult>> callback
        )
		{
			var task = new GetNamespaceStatusTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.GetNamespaceStatusResult>(task.Result, task.Error));
        }

		public IFuture<Result.GetNamespaceStatusResult> GetNamespaceStatusFuture(
                Request.GetNamespaceStatusRequest request
        )
		{
			return new GetNamespaceStatusTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.GetNamespaceStatusResult> GetNamespaceStatusAsync(
                Request.GetNamespaceStatusRequest request
        )
		{
            AsyncResult<Result.GetNamespaceStatusResult> result = null;
			await GetNamespaceStatus(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public GetNamespaceStatusTask GetNamespaceStatusAsync(
                Request.GetNamespaceStatusRequest request
        )
		{
			return new GetNamespaceStatusTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.GetNamespaceStatusResult> GetNamespaceStatusAsync(
                Request.GetNamespaceStatusRequest request
        )
		{
			var task = new GetNamespaceStatusTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class GetNamespaceTask : Gs2RestSessionTask<GetNamespaceRequest, GetNamespaceResult>
        {
            public GetNamespaceTask(IGs2Session session, RestSessionRequestFactory factory, GetNamespaceRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(GetNamespaceRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator GetNamespace(
                Request.GetNamespaceRequest request,
                UnityAction<AsyncResult<Result.GetNamespaceResult>> callback
        )
		{
			var task = new GetNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.GetNamespaceResult>(task.Result, task.Error));
        }

		public IFuture<Result.GetNamespaceResult> GetNamespaceFuture(
                Request.GetNamespaceRequest request
        )
		{
			return new GetNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.GetNamespaceResult> GetNamespaceAsync(
                Request.GetNamespaceRequest request
        )
		{
            AsyncResult<Result.GetNamespaceResult> result = null;
			await GetNamespace(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public GetNamespaceTask GetNamespaceAsync(
                Request.GetNamespaceRequest request
        )
		{
			return new GetNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.GetNamespaceResult> GetNamespaceAsync(
                Request.GetNamespaceRequest request
        )
		{
			var task = new GetNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class UpdateNamespaceTask : Gs2RestSessionTask<UpdateNamespaceRequest, UpdateNamespaceResult>
        {
            public UpdateNamespaceTask(IGs2Session session, RestSessionRequestFactory factory, UpdateNamespaceRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(UpdateNamespaceRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Put(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.Description != null)
                {
                    jsonWriter.WritePropertyName("description");
                    jsonWriter.Write(request.Description);
                }
                if (request.FirebaseSecret != null)
                {
                    jsonWriter.WritePropertyName("firebaseSecret");
                    jsonWriter.Write(request.FirebaseSecret);
                }
                if (request.LogSetting != null)
                {
                    jsonWriter.WritePropertyName("logSetting");
                    request.LogSetting.WriteJson(jsonWriter);
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator UpdateNamespace(
                Request.UpdateNamespaceRequest request,
                UnityAction<AsyncResult<Result.UpdateNamespaceResult>> callback
        )
		{
			var task = new UpdateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.UpdateNamespaceResult>(task.Result, task.Error));
        }

		public IFuture<Result.UpdateNamespaceResult> UpdateNamespaceFuture(
                Request.UpdateNamespaceRequest request
        )
		{
			return new UpdateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.UpdateNamespaceResult> UpdateNamespaceAsync(
                Request.UpdateNamespaceRequest request
        )
		{
            AsyncResult<Result.UpdateNamespaceResult> result = null;
			await UpdateNamespace(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public UpdateNamespaceTask UpdateNamespaceAsync(
                Request.UpdateNamespaceRequest request
        )
		{
			return new UpdateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.UpdateNamespaceResult> UpdateNamespaceAsync(
                Request.UpdateNamespaceRequest request
        )
		{
			var task = new UpdateNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DeleteNamespaceTask : Gs2RestSessionTask<DeleteNamespaceRequest, DeleteNamespaceResult>
        {
            public DeleteNamespaceTask(IGs2Session session, RestSessionRequestFactory factory, DeleteNamespaceRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DeleteNamespaceRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Delete(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DeleteNamespace(
                Request.DeleteNamespaceRequest request,
                UnityAction<AsyncResult<Result.DeleteNamespaceResult>> callback
        )
		{
			var task = new DeleteNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DeleteNamespaceResult>(task.Result, task.Error));
        }

		public IFuture<Result.DeleteNamespaceResult> DeleteNamespaceFuture(
                Request.DeleteNamespaceRequest request
        )
		{
			return new DeleteNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DeleteNamespaceResult> DeleteNamespaceAsync(
                Request.DeleteNamespaceRequest request
        )
		{
            AsyncResult<Result.DeleteNamespaceResult> result = null;
			await DeleteNamespace(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DeleteNamespaceTask DeleteNamespaceAsync(
                Request.DeleteNamespaceRequest request
        )
		{
			return new DeleteNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DeleteNamespaceResult> DeleteNamespaceAsync(
                Request.DeleteNamespaceRequest request
        )
		{
			var task = new DeleteNamespaceTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DumpUserDataByUserIdTask : Gs2RestSessionTask<DumpUserDataByUserIdRequest, DumpUserDataByUserIdResult>
        {
            public DumpUserDataByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, DumpUserDataByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DumpUserDataByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/system/dump/user/{userId}";

                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DumpUserDataByUserId(
                Request.DumpUserDataByUserIdRequest request,
                UnityAction<AsyncResult<Result.DumpUserDataByUserIdResult>> callback
        )
		{
			var task = new DumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DumpUserDataByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.DumpUserDataByUserIdResult> DumpUserDataByUserIdFuture(
                Request.DumpUserDataByUserIdRequest request
        )
		{
			return new DumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DumpUserDataByUserIdResult> DumpUserDataByUserIdAsync(
                Request.DumpUserDataByUserIdRequest request
        )
		{
            AsyncResult<Result.DumpUserDataByUserIdResult> result = null;
			await DumpUserDataByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DumpUserDataByUserIdTask DumpUserDataByUserIdAsync(
                Request.DumpUserDataByUserIdRequest request
        )
		{
			return new DumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DumpUserDataByUserIdResult> DumpUserDataByUserIdAsync(
                Request.DumpUserDataByUserIdRequest request
        )
		{
			var task = new DumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class CheckDumpUserDataByUserIdTask : Gs2RestSessionTask<CheckDumpUserDataByUserIdRequest, CheckDumpUserDataByUserIdResult>
        {
            public CheckDumpUserDataByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, CheckDumpUserDataByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(CheckDumpUserDataByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/system/dump/user/{userId}";

                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator CheckDumpUserDataByUserId(
                Request.CheckDumpUserDataByUserIdRequest request,
                UnityAction<AsyncResult<Result.CheckDumpUserDataByUserIdResult>> callback
        )
		{
			var task = new CheckDumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.CheckDumpUserDataByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.CheckDumpUserDataByUserIdResult> CheckDumpUserDataByUserIdFuture(
                Request.CheckDumpUserDataByUserIdRequest request
        )
		{
			return new CheckDumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.CheckDumpUserDataByUserIdResult> CheckDumpUserDataByUserIdAsync(
                Request.CheckDumpUserDataByUserIdRequest request
        )
		{
            AsyncResult<Result.CheckDumpUserDataByUserIdResult> result = null;
			await CheckDumpUserDataByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public CheckDumpUserDataByUserIdTask CheckDumpUserDataByUserIdAsync(
                Request.CheckDumpUserDataByUserIdRequest request
        )
		{
			return new CheckDumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.CheckDumpUserDataByUserIdResult> CheckDumpUserDataByUserIdAsync(
                Request.CheckDumpUserDataByUserIdRequest request
        )
		{
			var task = new CheckDumpUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class CleanUserDataByUserIdTask : Gs2RestSessionTask<CleanUserDataByUserIdRequest, CleanUserDataByUserIdResult>
        {
            public CleanUserDataByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, CleanUserDataByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(CleanUserDataByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/system/clean/user/{userId}";

                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator CleanUserDataByUserId(
                Request.CleanUserDataByUserIdRequest request,
                UnityAction<AsyncResult<Result.CleanUserDataByUserIdResult>> callback
        )
		{
			var task = new CleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.CleanUserDataByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.CleanUserDataByUserIdResult> CleanUserDataByUserIdFuture(
                Request.CleanUserDataByUserIdRequest request
        )
		{
			return new CleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.CleanUserDataByUserIdResult> CleanUserDataByUserIdAsync(
                Request.CleanUserDataByUserIdRequest request
        )
		{
            AsyncResult<Result.CleanUserDataByUserIdResult> result = null;
			await CleanUserDataByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public CleanUserDataByUserIdTask CleanUserDataByUserIdAsync(
                Request.CleanUserDataByUserIdRequest request
        )
		{
			return new CleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.CleanUserDataByUserIdResult> CleanUserDataByUserIdAsync(
                Request.CleanUserDataByUserIdRequest request
        )
		{
			var task = new CleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class CheckCleanUserDataByUserIdTask : Gs2RestSessionTask<CheckCleanUserDataByUserIdRequest, CheckCleanUserDataByUserIdResult>
        {
            public CheckCleanUserDataByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, CheckCleanUserDataByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(CheckCleanUserDataByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/system/clean/user/{userId}";

                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator CheckCleanUserDataByUserId(
                Request.CheckCleanUserDataByUserIdRequest request,
                UnityAction<AsyncResult<Result.CheckCleanUserDataByUserIdResult>> callback
        )
		{
			var task = new CheckCleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.CheckCleanUserDataByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.CheckCleanUserDataByUserIdResult> CheckCleanUserDataByUserIdFuture(
                Request.CheckCleanUserDataByUserIdRequest request
        )
		{
			return new CheckCleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.CheckCleanUserDataByUserIdResult> CheckCleanUserDataByUserIdAsync(
                Request.CheckCleanUserDataByUserIdRequest request
        )
		{
            AsyncResult<Result.CheckCleanUserDataByUserIdResult> result = null;
			await CheckCleanUserDataByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public CheckCleanUserDataByUserIdTask CheckCleanUserDataByUserIdAsync(
                Request.CheckCleanUserDataByUserIdRequest request
        )
		{
			return new CheckCleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.CheckCleanUserDataByUserIdResult> CheckCleanUserDataByUserIdAsync(
                Request.CheckCleanUserDataByUserIdRequest request
        )
		{
			var task = new CheckCleanUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class PrepareImportUserDataByUserIdTask : Gs2RestSessionTask<PrepareImportUserDataByUserIdRequest, PrepareImportUserDataByUserIdResult>
        {
            public PrepareImportUserDataByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, PrepareImportUserDataByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(PrepareImportUserDataByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/system/import/user/{userId}/prepare";

                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator PrepareImportUserDataByUserId(
                Request.PrepareImportUserDataByUserIdRequest request,
                UnityAction<AsyncResult<Result.PrepareImportUserDataByUserIdResult>> callback
        )
		{
			var task = new PrepareImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.PrepareImportUserDataByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.PrepareImportUserDataByUserIdResult> PrepareImportUserDataByUserIdFuture(
                Request.PrepareImportUserDataByUserIdRequest request
        )
		{
			return new PrepareImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.PrepareImportUserDataByUserIdResult> PrepareImportUserDataByUserIdAsync(
                Request.PrepareImportUserDataByUserIdRequest request
        )
		{
            AsyncResult<Result.PrepareImportUserDataByUserIdResult> result = null;
			await PrepareImportUserDataByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public PrepareImportUserDataByUserIdTask PrepareImportUserDataByUserIdAsync(
                Request.PrepareImportUserDataByUserIdRequest request
        )
		{
			return new PrepareImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.PrepareImportUserDataByUserIdResult> PrepareImportUserDataByUserIdAsync(
                Request.PrepareImportUserDataByUserIdRequest request
        )
		{
			var task = new PrepareImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class ImportUserDataByUserIdTask : Gs2RestSessionTask<ImportUserDataByUserIdRequest, ImportUserDataByUserIdResult>
        {
            public ImportUserDataByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, ImportUserDataByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(ImportUserDataByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/system/import/user/{userId}";

                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.UploadToken != null)
                {
                    jsonWriter.WritePropertyName("uploadToken");
                    jsonWriter.Write(request.UploadToken);
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator ImportUserDataByUserId(
                Request.ImportUserDataByUserIdRequest request,
                UnityAction<AsyncResult<Result.ImportUserDataByUserIdResult>> callback
        )
		{
			var task = new ImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.ImportUserDataByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.ImportUserDataByUserIdResult> ImportUserDataByUserIdFuture(
                Request.ImportUserDataByUserIdRequest request
        )
		{
			return new ImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.ImportUserDataByUserIdResult> ImportUserDataByUserIdAsync(
                Request.ImportUserDataByUserIdRequest request
        )
		{
            AsyncResult<Result.ImportUserDataByUserIdResult> result = null;
			await ImportUserDataByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public ImportUserDataByUserIdTask ImportUserDataByUserIdAsync(
                Request.ImportUserDataByUserIdRequest request
        )
		{
			return new ImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.ImportUserDataByUserIdResult> ImportUserDataByUserIdAsync(
                Request.ImportUserDataByUserIdRequest request
        )
		{
			var task = new ImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class CheckImportUserDataByUserIdTask : Gs2RestSessionTask<CheckImportUserDataByUserIdRequest, CheckImportUserDataByUserIdResult>
        {
            public CheckImportUserDataByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, CheckImportUserDataByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(CheckImportUserDataByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/system/import/user/{userId}/{uploadToken}";

                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");
                url = url.Replace("{uploadToken}", !string.IsNullOrEmpty(request.UploadToken) ? request.UploadToken.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator CheckImportUserDataByUserId(
                Request.CheckImportUserDataByUserIdRequest request,
                UnityAction<AsyncResult<Result.CheckImportUserDataByUserIdResult>> callback
        )
		{
			var task = new CheckImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.CheckImportUserDataByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.CheckImportUserDataByUserIdResult> CheckImportUserDataByUserIdFuture(
                Request.CheckImportUserDataByUserIdRequest request
        )
		{
			return new CheckImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.CheckImportUserDataByUserIdResult> CheckImportUserDataByUserIdAsync(
                Request.CheckImportUserDataByUserIdRequest request
        )
		{
            AsyncResult<Result.CheckImportUserDataByUserIdResult> result = null;
			await CheckImportUserDataByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public CheckImportUserDataByUserIdTask CheckImportUserDataByUserIdAsync(
                Request.CheckImportUserDataByUserIdRequest request
        )
		{
			return new CheckImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.CheckImportUserDataByUserIdResult> CheckImportUserDataByUserIdAsync(
                Request.CheckImportUserDataByUserIdRequest request
        )
		{
			var task = new CheckImportUserDataByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DescribeWebSocketSessionsTask : Gs2RestSessionTask<DescribeWebSocketSessionsRequest, DescribeWebSocketSessionsResult>
        {
            public DescribeWebSocketSessionsTask(IGs2Session session, RestSessionRequestFactory factory, DescribeWebSocketSessionsRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DescribeWebSocketSessionsRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/session/user/me";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.PageToken != null) {
                    sessionRequest.AddQueryString("pageToken", $"{request.PageToken}");
                }
                if (request.Limit != null) {
                    sessionRequest.AddQueryString("limit", $"{request.Limit}");
                }
                if (request.AccessToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-ACCESS-TOKEN", request.AccessToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DescribeWebSocketSessions(
                Request.DescribeWebSocketSessionsRequest request,
                UnityAction<AsyncResult<Result.DescribeWebSocketSessionsResult>> callback
        )
		{
			var task = new DescribeWebSocketSessionsTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DescribeWebSocketSessionsResult>(task.Result, task.Error));
        }

		public IFuture<Result.DescribeWebSocketSessionsResult> DescribeWebSocketSessionsFuture(
                Request.DescribeWebSocketSessionsRequest request
        )
		{
			return new DescribeWebSocketSessionsTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DescribeWebSocketSessionsResult> DescribeWebSocketSessionsAsync(
                Request.DescribeWebSocketSessionsRequest request
        )
		{
            AsyncResult<Result.DescribeWebSocketSessionsResult> result = null;
			await DescribeWebSocketSessions(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DescribeWebSocketSessionsTask DescribeWebSocketSessionsAsync(
                Request.DescribeWebSocketSessionsRequest request
        )
		{
			return new DescribeWebSocketSessionsTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DescribeWebSocketSessionsResult> DescribeWebSocketSessionsAsync(
                Request.DescribeWebSocketSessionsRequest request
        )
		{
			var task = new DescribeWebSocketSessionsTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DescribeWebSocketSessionsByUserIdTask : Gs2RestSessionTask<DescribeWebSocketSessionsByUserIdRequest, DescribeWebSocketSessionsByUserIdResult>
        {
            public DescribeWebSocketSessionsByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, DescribeWebSocketSessionsByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DescribeWebSocketSessionsByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/session/user/{userId}";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.PageToken != null) {
                    sessionRequest.AddQueryString("pageToken", $"{request.PageToken}");
                }
                if (request.Limit != null) {
                    sessionRequest.AddQueryString("limit", $"{request.Limit}");
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DescribeWebSocketSessionsByUserId(
                Request.DescribeWebSocketSessionsByUserIdRequest request,
                UnityAction<AsyncResult<Result.DescribeWebSocketSessionsByUserIdResult>> callback
        )
		{
			var task = new DescribeWebSocketSessionsByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DescribeWebSocketSessionsByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.DescribeWebSocketSessionsByUserIdResult> DescribeWebSocketSessionsByUserIdFuture(
                Request.DescribeWebSocketSessionsByUserIdRequest request
        )
		{
			return new DescribeWebSocketSessionsByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DescribeWebSocketSessionsByUserIdResult> DescribeWebSocketSessionsByUserIdAsync(
                Request.DescribeWebSocketSessionsByUserIdRequest request
        )
		{
            AsyncResult<Result.DescribeWebSocketSessionsByUserIdResult> result = null;
			await DescribeWebSocketSessionsByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DescribeWebSocketSessionsByUserIdTask DescribeWebSocketSessionsByUserIdAsync(
                Request.DescribeWebSocketSessionsByUserIdRequest request
        )
		{
			return new DescribeWebSocketSessionsByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DescribeWebSocketSessionsByUserIdResult> DescribeWebSocketSessionsByUserIdAsync(
                Request.DescribeWebSocketSessionsByUserIdRequest request
        )
		{
			var task = new DescribeWebSocketSessionsByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class SetUserIdTask : Gs2RestSessionTask<SetUserIdRequest, SetUserIdResult>
        {
            public SetUserIdTask(IGs2Session session, RestSessionRequestFactory factory, SetUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(SetUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/session/user/me/user";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.AllowConcurrentAccess != null)
                {
                    jsonWriter.WritePropertyName("allowConcurrentAccess");
                    jsonWriter.Write(request.AllowConcurrentAccess.ToString());
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.AccessToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-ACCESS-TOKEN", request.AccessToken);
                }
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator SetUserId(
                Request.SetUserIdRequest request,
                UnityAction<AsyncResult<Result.SetUserIdResult>> callback
        )
		{
			var task = new SetUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.SetUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.SetUserIdResult> SetUserIdFuture(
                Request.SetUserIdRequest request
        )
		{
			return new SetUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.SetUserIdResult> SetUserIdAsync(
                Request.SetUserIdRequest request
        )
		{
            AsyncResult<Result.SetUserIdResult> result = null;
			await SetUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public SetUserIdTask SetUserIdAsync(
                Request.SetUserIdRequest request
        )
		{
			return new SetUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.SetUserIdResult> SetUserIdAsync(
                Request.SetUserIdRequest request
        )
		{
			var task = new SetUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class SetUserIdByUserIdTask : Gs2RestSessionTask<SetUserIdByUserIdRequest, SetUserIdByUserIdResult>
        {
            public SetUserIdByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, SetUserIdByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(SetUserIdByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/session/user/{userId}/user";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.AllowConcurrentAccess != null)
                {
                    jsonWriter.WritePropertyName("allowConcurrentAccess");
                    jsonWriter.Write(request.AllowConcurrentAccess.ToString());
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator SetUserIdByUserId(
                Request.SetUserIdByUserIdRequest request,
                UnityAction<AsyncResult<Result.SetUserIdByUserIdResult>> callback
        )
		{
			var task = new SetUserIdByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.SetUserIdByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.SetUserIdByUserIdResult> SetUserIdByUserIdFuture(
                Request.SetUserIdByUserIdRequest request
        )
		{
			return new SetUserIdByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.SetUserIdByUserIdResult> SetUserIdByUserIdAsync(
                Request.SetUserIdByUserIdRequest request
        )
		{
            AsyncResult<Result.SetUserIdByUserIdResult> result = null;
			await SetUserIdByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public SetUserIdByUserIdTask SetUserIdByUserIdAsync(
                Request.SetUserIdByUserIdRequest request
        )
		{
			return new SetUserIdByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.SetUserIdByUserIdResult> SetUserIdByUserIdAsync(
                Request.SetUserIdByUserIdRequest request
        )
		{
			var task = new SetUserIdByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class SendNotificationTask : Gs2RestSessionTask<SendNotificationRequest, SendNotificationResult>
        {
            public SendNotificationTask(IGs2Session session, RestSessionRequestFactory factory, SendNotificationRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(SendNotificationRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/session/user/{userId}/notification";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.Subject != null)
                {
                    jsonWriter.WritePropertyName("subject");
                    jsonWriter.Write(request.Subject);
                }
                if (request.Payload != null)
                {
                    jsonWriter.WritePropertyName("payload");
                    jsonWriter.Write(request.Payload);
                }
                if (request.EnableTransferMobileNotification != null)
                {
                    jsonWriter.WritePropertyName("enableTransferMobileNotification");
                    jsonWriter.Write(request.EnableTransferMobileNotification.ToString());
                }
                if (request.Sound != null)
                {
                    jsonWriter.WritePropertyName("sound");
                    jsonWriter.Write(request.Sound);
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator SendNotification(
                Request.SendNotificationRequest request,
                UnityAction<AsyncResult<Result.SendNotificationResult>> callback
        )
		{
			var task = new SendNotificationTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.SendNotificationResult>(task.Result, task.Error));
        }

		public IFuture<Result.SendNotificationResult> SendNotificationFuture(
                Request.SendNotificationRequest request
        )
		{
			return new SendNotificationTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.SendNotificationResult> SendNotificationAsync(
                Request.SendNotificationRequest request
        )
		{
            AsyncResult<Result.SendNotificationResult> result = null;
			await SendNotification(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public SendNotificationTask SendNotificationAsync(
                Request.SendNotificationRequest request
        )
		{
			return new SendNotificationTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.SendNotificationResult> SendNotificationAsync(
                Request.SendNotificationRequest request
        )
		{
			var task = new SendNotificationTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DisconnectByUserIdTask : Gs2RestSessionTask<DisconnectByUserIdRequest, DisconnectByUserIdResult>
        {
            public DisconnectByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, DisconnectByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DisconnectByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/session/user/{userId}";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Delete(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DisconnectByUserId(
                Request.DisconnectByUserIdRequest request,
                UnityAction<AsyncResult<Result.DisconnectByUserIdResult>> callback
        )
		{
			var task = new DisconnectByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DisconnectByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.DisconnectByUserIdResult> DisconnectByUserIdFuture(
                Request.DisconnectByUserIdRequest request
        )
		{
			return new DisconnectByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DisconnectByUserIdResult> DisconnectByUserIdAsync(
                Request.DisconnectByUserIdRequest request
        )
		{
            AsyncResult<Result.DisconnectByUserIdResult> result = null;
			await DisconnectByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DisconnectByUserIdTask DisconnectByUserIdAsync(
                Request.DisconnectByUserIdRequest request
        )
		{
			return new DisconnectByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DisconnectByUserIdResult> DisconnectByUserIdAsync(
                Request.DisconnectByUserIdRequest request
        )
		{
			var task = new DisconnectByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DisconnectAllTask : Gs2RestSessionTask<DisconnectAllRequest, DisconnectAllResult>
        {
            public DisconnectAllTask(IGs2Session session, RestSessionRequestFactory factory, DisconnectAllRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DisconnectAllRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/session";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Delete(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DisconnectAll(
                Request.DisconnectAllRequest request,
                UnityAction<AsyncResult<Result.DisconnectAllResult>> callback
        )
		{
			var task = new DisconnectAllTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DisconnectAllResult>(task.Result, task.Error));
        }

		public IFuture<Result.DisconnectAllResult> DisconnectAllFuture(
                Request.DisconnectAllRequest request
        )
		{
			return new DisconnectAllTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DisconnectAllResult> DisconnectAllAsync(
                Request.DisconnectAllRequest request
        )
		{
            AsyncResult<Result.DisconnectAllResult> result = null;
			await DisconnectAll(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DisconnectAllTask DisconnectAllAsync(
                Request.DisconnectAllRequest request
        )
		{
			return new DisconnectAllTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DisconnectAllResult> DisconnectAllAsync(
                Request.DisconnectAllRequest request
        )
		{
			var task = new DisconnectAllTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class SetFirebaseTokenTask : Gs2RestSessionTask<SetFirebaseTokenRequest, SetFirebaseTokenResult>
        {
            public SetFirebaseTokenTask(IGs2Session session, RestSessionRequestFactory factory, SetFirebaseTokenRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(SetFirebaseTokenRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/user/me/firebase/token";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Put(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.Token != null)
                {
                    jsonWriter.WritePropertyName("token");
                    jsonWriter.Write(request.Token);
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.AccessToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-ACCESS-TOKEN", request.AccessToken);
                }
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator SetFirebaseToken(
                Request.SetFirebaseTokenRequest request,
                UnityAction<AsyncResult<Result.SetFirebaseTokenResult>> callback
        )
		{
			var task = new SetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.SetFirebaseTokenResult>(task.Result, task.Error));
        }

		public IFuture<Result.SetFirebaseTokenResult> SetFirebaseTokenFuture(
                Request.SetFirebaseTokenRequest request
        )
		{
			return new SetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.SetFirebaseTokenResult> SetFirebaseTokenAsync(
                Request.SetFirebaseTokenRequest request
        )
		{
            AsyncResult<Result.SetFirebaseTokenResult> result = null;
			await SetFirebaseToken(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public SetFirebaseTokenTask SetFirebaseTokenAsync(
                Request.SetFirebaseTokenRequest request
        )
		{
			return new SetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.SetFirebaseTokenResult> SetFirebaseTokenAsync(
                Request.SetFirebaseTokenRequest request
        )
		{
			var task = new SetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class SetFirebaseTokenByUserIdTask : Gs2RestSessionTask<SetFirebaseTokenByUserIdRequest, SetFirebaseTokenByUserIdResult>
        {
            public SetFirebaseTokenByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, SetFirebaseTokenByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(SetFirebaseTokenByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/user/{userId}/firebase/token";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Put(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.Token != null)
                {
                    jsonWriter.WritePropertyName("token");
                    jsonWriter.Write(request.Token);
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator SetFirebaseTokenByUserId(
                Request.SetFirebaseTokenByUserIdRequest request,
                UnityAction<AsyncResult<Result.SetFirebaseTokenByUserIdResult>> callback
        )
		{
			var task = new SetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.SetFirebaseTokenByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.SetFirebaseTokenByUserIdResult> SetFirebaseTokenByUserIdFuture(
                Request.SetFirebaseTokenByUserIdRequest request
        )
		{
			return new SetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.SetFirebaseTokenByUserIdResult> SetFirebaseTokenByUserIdAsync(
                Request.SetFirebaseTokenByUserIdRequest request
        )
		{
            AsyncResult<Result.SetFirebaseTokenByUserIdResult> result = null;
			await SetFirebaseTokenByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public SetFirebaseTokenByUserIdTask SetFirebaseTokenByUserIdAsync(
                Request.SetFirebaseTokenByUserIdRequest request
        )
		{
			return new SetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.SetFirebaseTokenByUserIdResult> SetFirebaseTokenByUserIdAsync(
                Request.SetFirebaseTokenByUserIdRequest request
        )
		{
			var task = new SetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class GetFirebaseTokenTask : Gs2RestSessionTask<GetFirebaseTokenRequest, GetFirebaseTokenResult>
        {
            public GetFirebaseTokenTask(IGs2Session session, RestSessionRequestFactory factory, GetFirebaseTokenRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(GetFirebaseTokenRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/user/me/firebase/token";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.AccessToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-ACCESS-TOKEN", request.AccessToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator GetFirebaseToken(
                Request.GetFirebaseTokenRequest request,
                UnityAction<AsyncResult<Result.GetFirebaseTokenResult>> callback
        )
		{
			var task = new GetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.GetFirebaseTokenResult>(task.Result, task.Error));
        }

		public IFuture<Result.GetFirebaseTokenResult> GetFirebaseTokenFuture(
                Request.GetFirebaseTokenRequest request
        )
		{
			return new GetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.GetFirebaseTokenResult> GetFirebaseTokenAsync(
                Request.GetFirebaseTokenRequest request
        )
		{
            AsyncResult<Result.GetFirebaseTokenResult> result = null;
			await GetFirebaseToken(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public GetFirebaseTokenTask GetFirebaseTokenAsync(
                Request.GetFirebaseTokenRequest request
        )
		{
			return new GetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.GetFirebaseTokenResult> GetFirebaseTokenAsync(
                Request.GetFirebaseTokenRequest request
        )
		{
			var task = new GetFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class GetFirebaseTokenByUserIdTask : Gs2RestSessionTask<GetFirebaseTokenByUserIdRequest, GetFirebaseTokenByUserIdResult>
        {
            public GetFirebaseTokenByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, GetFirebaseTokenByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(GetFirebaseTokenByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/user/{userId}/firebase/token";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Get(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator GetFirebaseTokenByUserId(
                Request.GetFirebaseTokenByUserIdRequest request,
                UnityAction<AsyncResult<Result.GetFirebaseTokenByUserIdResult>> callback
        )
		{
			var task = new GetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.GetFirebaseTokenByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.GetFirebaseTokenByUserIdResult> GetFirebaseTokenByUserIdFuture(
                Request.GetFirebaseTokenByUserIdRequest request
        )
		{
			return new GetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.GetFirebaseTokenByUserIdResult> GetFirebaseTokenByUserIdAsync(
                Request.GetFirebaseTokenByUserIdRequest request
        )
		{
            AsyncResult<Result.GetFirebaseTokenByUserIdResult> result = null;
			await GetFirebaseTokenByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public GetFirebaseTokenByUserIdTask GetFirebaseTokenByUserIdAsync(
                Request.GetFirebaseTokenByUserIdRequest request
        )
		{
			return new GetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.GetFirebaseTokenByUserIdResult> GetFirebaseTokenByUserIdAsync(
                Request.GetFirebaseTokenByUserIdRequest request
        )
		{
			var task = new GetFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DeleteFirebaseTokenTask : Gs2RestSessionTask<DeleteFirebaseTokenRequest, DeleteFirebaseTokenResult>
        {
            public DeleteFirebaseTokenTask(IGs2Session session, RestSessionRequestFactory factory, DeleteFirebaseTokenRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DeleteFirebaseTokenRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/user/me/firebase/token";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");

                var sessionRequest = Factory.Delete(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.AccessToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-ACCESS-TOKEN", request.AccessToken);
                }
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DeleteFirebaseToken(
                Request.DeleteFirebaseTokenRequest request,
                UnityAction<AsyncResult<Result.DeleteFirebaseTokenResult>> callback
        )
		{
			var task = new DeleteFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DeleteFirebaseTokenResult>(task.Result, task.Error));
        }

		public IFuture<Result.DeleteFirebaseTokenResult> DeleteFirebaseTokenFuture(
                Request.DeleteFirebaseTokenRequest request
        )
		{
			return new DeleteFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DeleteFirebaseTokenResult> DeleteFirebaseTokenAsync(
                Request.DeleteFirebaseTokenRequest request
        )
		{
            AsyncResult<Result.DeleteFirebaseTokenResult> result = null;
			await DeleteFirebaseToken(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DeleteFirebaseTokenTask DeleteFirebaseTokenAsync(
                Request.DeleteFirebaseTokenRequest request
        )
		{
			return new DeleteFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DeleteFirebaseTokenResult> DeleteFirebaseTokenAsync(
                Request.DeleteFirebaseTokenRequest request
        )
		{
			var task = new DeleteFirebaseTokenTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class DeleteFirebaseTokenByUserIdTask : Gs2RestSessionTask<DeleteFirebaseTokenByUserIdRequest, DeleteFirebaseTokenByUserIdResult>
        {
            public DeleteFirebaseTokenByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, DeleteFirebaseTokenByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(DeleteFirebaseTokenByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/user/{userId}/firebase/token";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Delete(url);
                if (request.ContextStack != null)
                {
                    sessionRequest.AddQueryString("contextStack", request.ContextStack);
                }
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator DeleteFirebaseTokenByUserId(
                Request.DeleteFirebaseTokenByUserIdRequest request,
                UnityAction<AsyncResult<Result.DeleteFirebaseTokenByUserIdResult>> callback
        )
		{
			var task = new DeleteFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.DeleteFirebaseTokenByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.DeleteFirebaseTokenByUserIdResult> DeleteFirebaseTokenByUserIdFuture(
                Request.DeleteFirebaseTokenByUserIdRequest request
        )
		{
			return new DeleteFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.DeleteFirebaseTokenByUserIdResult> DeleteFirebaseTokenByUserIdAsync(
                Request.DeleteFirebaseTokenByUserIdRequest request
        )
		{
            AsyncResult<Result.DeleteFirebaseTokenByUserIdResult> result = null;
			await DeleteFirebaseTokenByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public DeleteFirebaseTokenByUserIdTask DeleteFirebaseTokenByUserIdAsync(
                Request.DeleteFirebaseTokenByUserIdRequest request
        )
		{
			return new DeleteFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.DeleteFirebaseTokenByUserIdResult> DeleteFirebaseTokenByUserIdAsync(
                Request.DeleteFirebaseTokenByUserIdRequest request
        )
		{
			var task = new DeleteFirebaseTokenByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif


        public class SendMobileNotificationByUserIdTask : Gs2RestSessionTask<SendMobileNotificationByUserIdRequest, SendMobileNotificationByUserIdResult>
        {
            public SendMobileNotificationByUserIdTask(IGs2Session session, RestSessionRequestFactory factory, SendMobileNotificationByUserIdRequest request) : base(session, factory, request)
            {
            }

            protected override IGs2SessionRequest CreateRequest(SendMobileNotificationByUserIdRequest request)
            {
                var url = Gs2RestSession.EndpointHost
                    .Replace("{service}", "gateway")
                    .Replace("{region}", Session.Region.DisplayName())
                    + "/{namespaceName}/user/{userId}/firebase/token/notification";

                url = url.Replace("{namespaceName}", !string.IsNullOrEmpty(request.NamespaceName) ? request.NamespaceName.ToString() : "null");
                url = url.Replace("{userId}", !string.IsNullOrEmpty(request.UserId) ? request.UserId.ToString() : "null");

                var sessionRequest = Factory.Post(url);

                var stringBuilder = new StringBuilder();
                var jsonWriter = new JsonWriter(stringBuilder);
                jsonWriter.WriteObjectStart();
                if (request.Subject != null)
                {
                    jsonWriter.WritePropertyName("subject");
                    jsonWriter.Write(request.Subject);
                }
                if (request.Payload != null)
                {
                    jsonWriter.WritePropertyName("payload");
                    jsonWriter.Write(request.Payload);
                }
                if (request.Sound != null)
                {
                    jsonWriter.WritePropertyName("sound");
                    jsonWriter.Write(request.Sound);
                }
                if (request.ContextStack != null)
                {
                    jsonWriter.WritePropertyName("contextStack");
                    jsonWriter.Write(request.ContextStack.ToString());
                }
                jsonWriter.WriteObjectEnd();

                var body = stringBuilder.ToString();
                if (!string.IsNullOrEmpty(body))
                {
                    sessionRequest.Body = body;
                }
                sessionRequest.AddHeader("Content-Type", "application/json");
                if (request.DuplicationAvoider != null)
                {
                    sessionRequest.AddHeader("X-GS2-DUPLICATION-AVOIDER", request.DuplicationAvoider);
                }
                if (request.TimeOffsetToken != null)
                {
                    sessionRequest.AddHeader("X-GS2-TIME-OFFSET-TOKEN", request.TimeOffsetToken);
                }
                if (request.DryRun)
                {
                    sessionRequest.AddHeader("X-GS2-DRY-RUN", "true");
                }

                AddHeader(
                    Session.Credential,
                    sessionRequest
                );

                return sessionRequest;
            }
        }

#if UNITY_2017_1_OR_NEWER
		public IEnumerator SendMobileNotificationByUserId(
                Request.SendMobileNotificationByUserIdRequest request,
                UnityAction<AsyncResult<Result.SendMobileNotificationByUserIdResult>> callback
        )
		{
			var task = new SendMobileNotificationByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
            yield return task;
            callback.Invoke(new AsyncResult<Result.SendMobileNotificationByUserIdResult>(task.Result, task.Error));
        }

		public IFuture<Result.SendMobileNotificationByUserIdResult> SendMobileNotificationByUserIdFuture(
                Request.SendMobileNotificationByUserIdRequest request
        )
		{
			return new SendMobileNotificationByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
                request
			);
        }

    #if GS2_ENABLE_UNITASK
		public async UniTask<Result.SendMobileNotificationByUserIdResult> SendMobileNotificationByUserIdAsync(
                Request.SendMobileNotificationByUserIdRequest request
        )
		{
            AsyncResult<Result.SendMobileNotificationByUserIdResult> result = null;
			await SendMobileNotificationByUserId(
                request,
                r => result = r
            );
            if (result.Error != null)
            {
                throw result.Error;
            }
            return result.Result;
        }
    #else
		public SendMobileNotificationByUserIdTask SendMobileNotificationByUserIdAsync(
                Request.SendMobileNotificationByUserIdRequest request
        )
		{
			return new SendMobileNotificationByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new UnityRestSessionRequest(_certificateHandler)),
			    request
            );
        }
    #endif
#else
		public async Task<Result.SendMobileNotificationByUserIdResult> SendMobileNotificationByUserIdAsync(
                Request.SendMobileNotificationByUserIdRequest request
        )
		{
			var task = new SendMobileNotificationByUserIdTask(
                Gs2RestSession,
                new RestSessionRequestFactory(() => new DotNetRestSessionRequest()),
			    request
            );
			return await task.Invoke();
        }
#endif
	}
}