Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the MIT License. See License.txt in the project root for
license information.
Code generated by Microsoft (R) AutoRest Code Generator.
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License. See License.txt in the project root for
 * license information.
 *
 * Code generated by Microsoft (R) AutoRest Code Generator.
 */

package com.microsoft.azure.management.network.implementation;

import com.microsoft.azure.management.resources.fluentcore.collection.InnerSupportsGet;
import com.microsoft.azure.management.resources.fluentcore.collection.InnerSupportsDelete;
import com.microsoft.azure.management.resources.fluentcore.collection.InnerSupportsListing;
import retrofit2.Retrofit;
import com.google.common.reflect.TypeToken;
import com.microsoft.azure.AzureServiceFuture;
import com.microsoft.azure.CloudException;
import com.microsoft.azure.ListOperationCallback;
import com.microsoft.azure.management.network.TagsObject;
import com.microsoft.azure.Page;
import com.microsoft.azure.PagedList;
import com.microsoft.rest.ServiceCallback;
import com.microsoft.rest.ServiceFuture;
import com.microsoft.rest.ServiceResponse;
import com.microsoft.rest.Validator;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import okhttp3.ResponseBody;
import retrofit2.http.Body;
import retrofit2.http.GET;
import retrofit2.http.Header;
import retrofit2.http.Headers;
import retrofit2.http.HTTP;
import retrofit2.http.PATCH;
import retrofit2.http.Path;
import retrofit2.http.PUT;
import retrofit2.http.Query;
import retrofit2.http.Url;
import retrofit2.Response;
import rx.functions.Func1;
import rx.Observable;

An instance of this class provides access to all the operations defined
in NatGateways.
/**
 * An instance of this class provides access to all the operations defined
 * in NatGateways.
 */
public class NatGatewaysInner implements InnerSupportsGet<NatGatewayInner>, InnerSupportsDelete<Void>, InnerSupportsListing<NatGatewayInner> {
    
The Retrofit service to perform REST calls. /** The Retrofit service to perform REST calls. */
    private NatGatewaysService service;
    
The service client containing this operation class. /** The service client containing this operation class. */
    private NetworkManagementClientImpl client;

    
Initializes an instance of NatGatewaysInner.
Params:
retrofit – the Retrofit instance built from a Retrofit Builder.
client – the instance of the service client containing this operation class./**
     * Initializes an instance of NatGatewaysInner.
     *
     * @param retrofit the Retrofit instance built from a Retrofit Builder.
     * @param client the instance of the service client containing this operation class.
     */
    public NatGatewaysInner(Retrofit retrofit, NetworkManagementClientImpl client) {
        this.service = retrofit.create(NatGatewaysService.class);
        this.client = client;
    }

    
The interface defining all the services for NatGateways to be
used by Retrofit to perform actually REST calls.
/**
     * The interface defining all the services for NatGateways to be
     * used by Retrofit to perform actually REST calls.
     */
    interface NatGatewaysService {
        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways delete" })
        @HTTP(path = "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/natGateways/{natGatewayName}", method = "DELETE", hasBody = true)
        Observable<Response<ResponseBody>> delete(@Path("resourceGroupName") String resourceGroupName, @Path("natGatewayName") String natGatewayName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways beginDelete" })
        @HTTP(path = "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/natGateways/{natGatewayName}", method = "DELETE", hasBody = true)
        Observable<Response<ResponseBody>> beginDelete(@Path("resourceGroupName") String resourceGroupName, @Path("natGatewayName") String natGatewayName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways getByResourceGroup" })
        @GET("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/natGateways/{natGatewayName}")
        Observable<Response<ResponseBody>> getByResourceGroup(@Path("resourceGroupName") String resourceGroupName, @Path("natGatewayName") String natGatewayName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Query("$expand") String expand, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways createOrUpdate" })
        @PUT("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/natGateways/{natGatewayName}")
        Observable<Response<ResponseBody>> createOrUpdate(@Path("resourceGroupName") String resourceGroupName, @Path("natGatewayName") String natGatewayName, @Path("subscriptionId") String subscriptionId, @Body NatGatewayInner parameters, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways beginCreateOrUpdate" })
        @PUT("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/natGateways/{natGatewayName}")
        Observable<Response<ResponseBody>> beginCreateOrUpdate(@Path("resourceGroupName") String resourceGroupName, @Path("natGatewayName") String natGatewayName, @Path("subscriptionId") String subscriptionId, @Body NatGatewayInner parameters, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways updateTags" })
        @PATCH("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/natGateways/{natGatewayName}")
        Observable<Response<ResponseBody>> updateTags(@Path("resourceGroupName") String resourceGroupName, @Path("natGatewayName") String natGatewayName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Body TagsObject parameters, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways list" })
        @GET("subscriptions/{subscriptionId}/providers/Microsoft.Network/natGateways")
        Observable<Response<ResponseBody>> list(@Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways listByResourceGroup" })
        @GET("subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/natGateways")
        Observable<Response<ResponseBody>> listByResourceGroup(@Path("resourceGroupName") String resourceGroupName, @Path("subscriptionId") String subscriptionId, @Query("api-version") String apiVersion, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways listNext" })
        @GET
        Observable<Response<ResponseBody>> listNext(@Url String nextUrl, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

        @Headers({ "Content-Type: application/json; charset=utf-8", "x-ms-logging-context: com.microsoft.azure.management.network.NatGateways listByResourceGroupNext" })
        @GET
        Observable<Response<ResponseBody>> listByResourceGroupNext(@Url String nextUrl, @Header("accept-language") String acceptLanguage, @Header("User-Agent") String userAgent);

    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent/**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     */
    public void delete(String resourceGroupName, String natGatewayName) {
        deleteWithServiceResponseAsync(resourceGroupName, natGatewayName).toBlocking().last().body();
    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<Void> deleteAsync(String resourceGroupName, String natGatewayName, final ServiceCallback<Void> serviceCallback) {
        return ServiceFuture.fromResponse(deleteWithServiceResponseAsync(resourceGroupName, natGatewayName), serviceCallback);
    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<Void> deleteAsync(String resourceGroupName, String natGatewayName) {
        return deleteWithServiceResponseAsync(resourceGroupName, natGatewayName).map(new Func1<ServiceResponse<Void>, Void>() {
            @Override
            public Void call(ServiceResponse<Void> response) {
                return response.body();
            }
        });
    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<ServiceResponse<Void>> deleteWithServiceResponseAsync(String resourceGroupName, String natGatewayName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2019-11-01";
        Observable<Response<ResponseBody>> observable = service.delete(resourceGroupName, natGatewayName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent());
        return client.getAzureClient().getPostOrDeleteResultAsync(observable, new TypeToken<Void>() { }.getType());
    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent/**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     */
    public void beginDelete(String resourceGroupName, String natGatewayName) {
        beginDeleteWithServiceResponseAsync(resourceGroupName, natGatewayName).toBlocking().single().body();
    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<Void> beginDeleteAsync(String resourceGroupName, String natGatewayName, final ServiceCallback<Void> serviceCallback) {
        return ServiceFuture.fromResponse(beginDeleteWithServiceResponseAsync(resourceGroupName, natGatewayName), serviceCallback);
    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceResponse object if successful./**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceResponse} object if successful.
     */
    public Observable<Void> beginDeleteAsync(String resourceGroupName, String natGatewayName) {
        return beginDeleteWithServiceResponseAsync(resourceGroupName, natGatewayName).map(new Func1<ServiceResponse<Void>, Void>() {
            @Override
            public Void call(ServiceResponse<Void> response) {
                return response.body();
            }
        });
    }

    
Deletes the specified nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceResponse object if successful./**
     * Deletes the specified nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceResponse} object if successful.
     */
    public Observable<ServiceResponse<Void>> beginDeleteWithServiceResponseAsync(String resourceGroupName, String natGatewayName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2019-11-01";
        return service.beginDelete(resourceGroupName, natGatewayName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Void>>>() {
                @Override
                public Observable<ServiceResponse<Void>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<Void> clientResponse = beginDeleteDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<Void> beginDeleteDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<Void, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<Void>() { }.getType())
                .register(202, new TypeToken<Void>() { }.getType())
                .register(204, new TypeToken<Void>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the NatGatewayInner object if successful./**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the NatGatewayInner object if successful.
     */
    public NatGatewayInner getByResourceGroup(String resourceGroupName, String natGatewayName) {
        return getByResourceGroupWithServiceResponseAsync(resourceGroupName, natGatewayName).toBlocking().single().body();
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<NatGatewayInner> getByResourceGroupAsync(String resourceGroupName, String natGatewayName, final ServiceCallback<NatGatewayInner> serviceCallback) {
        return ServiceFuture.fromResponse(getByResourceGroupWithServiceResponseAsync(resourceGroupName, natGatewayName), serviceCallback);
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<NatGatewayInner> getByResourceGroupAsync(String resourceGroupName, String natGatewayName) {
        return getByResourceGroupWithServiceResponseAsync(resourceGroupName, natGatewayName).map(new Func1<ServiceResponse<NatGatewayInner>, NatGatewayInner>() {
            @Override
            public NatGatewayInner call(ServiceResponse<NatGatewayInner> response) {
                return response.body();
            }
        });
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<ServiceResponse<NatGatewayInner>> getByResourceGroupWithServiceResponseAsync(String resourceGroupName, String natGatewayName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2019-11-01";
        final String expand = null;
        return service.getByResourceGroup(resourceGroupName, natGatewayName, this.client.subscriptionId(), apiVersion, expand, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<NatGatewayInner>>>() {
                @Override
                public Observable<ServiceResponse<NatGatewayInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<NatGatewayInner> clientResponse = getByResourceGroupDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
expand – Expands referenced resources.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the NatGatewayInner object if successful./**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param expand Expands referenced resources.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the NatGatewayInner object if successful.
     */
    public NatGatewayInner getByResourceGroup(String resourceGroupName, String natGatewayName, String expand) {
        return getByResourceGroupWithServiceResponseAsync(resourceGroupName, natGatewayName, expand).toBlocking().single().body();
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
expand – Expands referenced resources.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param expand Expands referenced resources.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<NatGatewayInner> getByResourceGroupAsync(String resourceGroupName, String natGatewayName, String expand, final ServiceCallback<NatGatewayInner> serviceCallback) {
        return ServiceFuture.fromResponse(getByResourceGroupWithServiceResponseAsync(resourceGroupName, natGatewayName, expand), serviceCallback);
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
expand – Expands referenced resources.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param expand Expands referenced resources.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<NatGatewayInner> getByResourceGroupAsync(String resourceGroupName, String natGatewayName, String expand) {
        return getByResourceGroupWithServiceResponseAsync(resourceGroupName, natGatewayName, expand).map(new Func1<ServiceResponse<NatGatewayInner>, NatGatewayInner>() {
            @Override
            public NatGatewayInner call(ServiceResponse<NatGatewayInner> response) {
                return response.body();
            }
        });
    }

    
Gets the specified nat gateway in a specified resource group.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
expand – Expands referenced resources.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Gets the specified nat gateway in a specified resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param expand Expands referenced resources.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<ServiceResponse<NatGatewayInner>> getByResourceGroupWithServiceResponseAsync(String resourceGroupName, String natGatewayName, String expand) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2019-11-01";
        return service.getByResourceGroup(resourceGroupName, natGatewayName, this.client.subscriptionId(), apiVersion, expand, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<NatGatewayInner>>>() {
                @Override
                public Observable<ServiceResponse<NatGatewayInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<NatGatewayInner> clientResponse = getByResourceGroupDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<NatGatewayInner> getByResourceGroupDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<NatGatewayInner, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<NatGatewayInner>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the NatGatewayInner object if successful./**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the NatGatewayInner object if successful.
     */
    public NatGatewayInner createOrUpdate(String resourceGroupName, String natGatewayName, NatGatewayInner parameters) {
        return createOrUpdateWithServiceResponseAsync(resourceGroupName, natGatewayName, parameters).toBlocking().last().body();
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<NatGatewayInner> createOrUpdateAsync(String resourceGroupName, String natGatewayName, NatGatewayInner parameters, final ServiceCallback<NatGatewayInner> serviceCallback) {
        return ServiceFuture.fromResponse(createOrUpdateWithServiceResponseAsync(resourceGroupName, natGatewayName, parameters), serviceCallback);
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<NatGatewayInner> createOrUpdateAsync(String resourceGroupName, String natGatewayName, NatGatewayInner parameters) {
        return createOrUpdateWithServiceResponseAsync(resourceGroupName, natGatewayName, parameters).map(new Func1<ServiceResponse<NatGatewayInner>, NatGatewayInner>() {
            @Override
            public NatGatewayInner call(ServiceResponse<NatGatewayInner> response) {
                return response.body();
            }
        });
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable for the request/**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable for the request
     */
    public Observable<ServiceResponse<NatGatewayInner>> createOrUpdateWithServiceResponseAsync(String resourceGroupName, String natGatewayName, NatGatewayInner parameters) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        if (parameters == null) {
            throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
        }
        Validator.validate(parameters);
        final String apiVersion = "2019-11-01";
        Observable<Response<ResponseBody>> observable = service.createOrUpdate(resourceGroupName, natGatewayName, this.client.subscriptionId(), parameters, apiVersion, this.client.acceptLanguage(), this.client.userAgent());
        return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<NatGatewayInner>() { }.getType());
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the NatGatewayInner object if successful./**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the NatGatewayInner object if successful.
     */
    public NatGatewayInner beginCreateOrUpdate(String resourceGroupName, String natGatewayName, NatGatewayInner parameters) {
        return beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, natGatewayName, parameters).toBlocking().single().body();
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<NatGatewayInner> beginCreateOrUpdateAsync(String resourceGroupName, String natGatewayName, NatGatewayInner parameters, final ServiceCallback<NatGatewayInner> serviceCallback) {
        return ServiceFuture.fromResponse(beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, natGatewayName, parameters), serviceCallback);
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<NatGatewayInner> beginCreateOrUpdateAsync(String resourceGroupName, String natGatewayName, NatGatewayInner parameters) {
        return beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, natGatewayName, parameters).map(new Func1<ServiceResponse<NatGatewayInner>, NatGatewayInner>() {
            @Override
            public NatGatewayInner call(ServiceResponse<NatGatewayInner> response) {
                return response.body();
            }
        });
    }

    
Creates or updates a nat gateway.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
parameters – Parameters supplied to the create or update nat gateway operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Creates or updates a nat gateway.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param parameters Parameters supplied to the create or update nat gateway operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<ServiceResponse<NatGatewayInner>> beginCreateOrUpdateWithServiceResponseAsync(String resourceGroupName, String natGatewayName, NatGatewayInner parameters) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        if (parameters == null) {
            throw new IllegalArgumentException("Parameter parameters is required and cannot be null.");
        }
        Validator.validate(parameters);
        final String apiVersion = "2019-11-01";
        return service.beginCreateOrUpdate(resourceGroupName, natGatewayName, this.client.subscriptionId(), parameters, apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<NatGatewayInner>>>() {
                @Override
                public Observable<ServiceResponse<NatGatewayInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<NatGatewayInner> clientResponse = beginCreateOrUpdateDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<NatGatewayInner> beginCreateOrUpdateDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<NatGatewayInner, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<NatGatewayInner>() { }.getType())
                .register(201, new TypeToken<NatGatewayInner>() { }.getType())
                .register(202, new TypeToken<NatGatewayInner>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the NatGatewayInner object if successful./**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the NatGatewayInner object if successful.
     */
    public NatGatewayInner updateTags(String resourceGroupName, String natGatewayName) {
        return updateTagsWithServiceResponseAsync(resourceGroupName, natGatewayName).toBlocking().single().body();
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<NatGatewayInner> updateTagsAsync(String resourceGroupName, String natGatewayName, final ServiceCallback<NatGatewayInner> serviceCallback) {
        return ServiceFuture.fromResponse(updateTagsWithServiceResponseAsync(resourceGroupName, natGatewayName), serviceCallback);
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<NatGatewayInner> updateTagsAsync(String resourceGroupName, String natGatewayName) {
        return updateTagsWithServiceResponseAsync(resourceGroupName, natGatewayName).map(new Func1<ServiceResponse<NatGatewayInner>, NatGatewayInner>() {
            @Override
            public NatGatewayInner call(ServiceResponse<NatGatewayInner> response) {
                return response.body();
            }
        });
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<ServiceResponse<NatGatewayInner>> updateTagsWithServiceResponseAsync(String resourceGroupName, String natGatewayName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2019-11-01";
        final Map<String, String> tags = null;
        TagsObject parameters = new TagsObject();
        parameters.withTags(null);
        return service.updateTags(resourceGroupName, natGatewayName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<NatGatewayInner>>>() {
                @Override
                public Observable<ServiceResponse<NatGatewayInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<NatGatewayInner> clientResponse = updateTagsDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
tags – Resource tags.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the NatGatewayInner object if successful./**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param tags Resource tags.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the NatGatewayInner object if successful.
     */
    public NatGatewayInner updateTags(String resourceGroupName, String natGatewayName, Map<String, String> tags) {
        return updateTagsWithServiceResponseAsync(resourceGroupName, natGatewayName, tags).toBlocking().single().body();
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
tags – Resource tags.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param tags Resource tags.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<NatGatewayInner> updateTagsAsync(String resourceGroupName, String natGatewayName, Map<String, String> tags, final ServiceCallback<NatGatewayInner> serviceCallback) {
        return ServiceFuture.fromResponse(updateTagsWithServiceResponseAsync(resourceGroupName, natGatewayName, tags), serviceCallback);
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
tags – Resource tags.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param tags Resource tags.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<NatGatewayInner> updateTagsAsync(String resourceGroupName, String natGatewayName, Map<String, String> tags) {
        return updateTagsWithServiceResponseAsync(resourceGroupName, natGatewayName, tags).map(new Func1<ServiceResponse<NatGatewayInner>, NatGatewayInner>() {
            @Override
            public NatGatewayInner call(ServiceResponse<NatGatewayInner> response) {
                return response.body();
            }
        });
    }

    
Updates nat gateway tags.
Params:
resourceGroupName – The name of the resource group.
natGatewayName – The name of the nat gateway.
tags – Resource tags.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the NatGatewayInner object/**
     * Updates nat gateway tags.
     *
     * @param resourceGroupName The name of the resource group.
     * @param natGatewayName The name of the nat gateway.
     * @param tags Resource tags.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the NatGatewayInner object
     */
    public Observable<ServiceResponse<NatGatewayInner>> updateTagsWithServiceResponseAsync(String resourceGroupName, String natGatewayName, Map<String, String> tags) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (natGatewayName == null) {
            throw new IllegalArgumentException("Parameter natGatewayName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        Validator.validate(tags);
        final String apiVersion = "2019-11-01";
        TagsObject parameters = new TagsObject();
        parameters.withTags(tags);
        return service.updateTags(resourceGroupName, natGatewayName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), parameters, this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<NatGatewayInner>>>() {
                @Override
                public Observable<ServiceResponse<NatGatewayInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<NatGatewayInner> clientResponse = updateTagsDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<NatGatewayInner> updateTagsDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<NatGatewayInner, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<NatGatewayInner>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets all the Nat Gateways in a subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<NatGatewayInner> object if successful./**
     * Gets all the Nat Gateways in a subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;NatGatewayInner&gt; object if successful.
     */
    public PagedList<NatGatewayInner> list() {
        ServiceResponse<Page<NatGatewayInner>> response = listSinglePageAsync().toBlocking().single();
        return new PagedList<NatGatewayInner>(response.body()) {
            @Override
            public Page<NatGatewayInner> nextPage(String nextPageLink) {
                return listNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets all the Nat Gateways in a subscription.
Params:
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets all the Nat Gateways in a subscription.
     *
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<NatGatewayInner>> listAsync(final ListOperationCallback<NatGatewayInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listSinglePageAsync(),
            new Func1<String, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(String nextPageLink) {
                    return listNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets all the Nat Gateways in a subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all the Nat Gateways in a subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<Page<NatGatewayInner>> listAsync() {
        return listWithServiceResponseAsync()
            .map(new Func1<ServiceResponse<Page<NatGatewayInner>>, Page<NatGatewayInner>>() {
                @Override
                public Page<NatGatewayInner> call(ServiceResponse<Page<NatGatewayInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets all the Nat Gateways in a subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all the Nat Gateways in a subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listWithServiceResponseAsync() {
        return listSinglePageAsync()
            .concatMap(new Func1<ServiceResponse<Page<NatGatewayInner>>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(ServiceResponse<Page<NatGatewayInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets all the Nat Gateways in a subscription.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<NatGatewayInner> object wrapped in ServiceResponse if successful./**
     * Gets all the Nat Gateways in a subscription.
     *
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;NatGatewayInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listSinglePageAsync() {
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2019-11-01";
        return service.list(this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl<NatGatewayInner>> result = listDelegate(response);
                        return Observable.just(new ServiceResponse<Page<NatGatewayInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl<NatGatewayInner>> listDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl<NatGatewayInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl<NatGatewayInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets all nat gateways in a resource group.
Params:
resourceGroupName – The name of the resource group.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<NatGatewayInner> object if successful./**
     * Gets all nat gateways in a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;NatGatewayInner&gt; object if successful.
     */
    public PagedList<NatGatewayInner> listByResourceGroup(final String resourceGroupName) {
        ServiceResponse<Page<NatGatewayInner>> response = listByResourceGroupSinglePageAsync(resourceGroupName).toBlocking().single();
        return new PagedList<NatGatewayInner>(response.body()) {
            @Override
            public Page<NatGatewayInner> nextPage(String nextPageLink) {
                return listByResourceGroupNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets all nat gateways in a resource group.
Params:
resourceGroupName – The name of the resource group.
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets all nat gateways in a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<NatGatewayInner>> listByResourceGroupAsync(final String resourceGroupName, final ListOperationCallback<NatGatewayInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listByResourceGroupSinglePageAsync(resourceGroupName),
            new Func1<String, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(String nextPageLink) {
                    return listByResourceGroupNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets all nat gateways in a resource group.
Params:
resourceGroupName – The name of the resource group.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all nat gateways in a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<Page<NatGatewayInner>> listByResourceGroupAsync(final String resourceGroupName) {
        return listByResourceGroupWithServiceResponseAsync(resourceGroupName)
            .map(new Func1<ServiceResponse<Page<NatGatewayInner>>, Page<NatGatewayInner>>() {
                @Override
                public Page<NatGatewayInner> call(ServiceResponse<Page<NatGatewayInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets all nat gateways in a resource group.
Params:
resourceGroupName – The name of the resource group.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all nat gateways in a resource group.
     *
     * @param resourceGroupName The name of the resource group.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listByResourceGroupWithServiceResponseAsync(final String resourceGroupName) {
        return listByResourceGroupSinglePageAsync(resourceGroupName)
            .concatMap(new Func1<ServiceResponse<Page<NatGatewayInner>>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(ServiceResponse<Page<NatGatewayInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listByResourceGroupNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets all nat gateways in a resource group.
ServiceResponse> * @param resourceGroupName The name of the resource group.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<NatGatewayInner> object wrapped in ServiceResponse if successful./**
     * Gets all nat gateways in a resource group.
     *
    ServiceResponse<PageImpl<NatGatewayInner>> * @param resourceGroupName The name of the resource group.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;NatGatewayInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listByResourceGroupSinglePageAsync(final String resourceGroupName) {
        if (resourceGroupName == null) {
            throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
        }
        if (this.client.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
        }
        final String apiVersion = "2019-11-01";
        return service.listByResourceGroup(resourceGroupName, this.client.subscriptionId(), apiVersion, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl<NatGatewayInner>> result = listByResourceGroupDelegate(response);
                        return Observable.just(new ServiceResponse<Page<NatGatewayInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl<NatGatewayInner>> listByResourceGroupDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl<NatGatewayInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl<NatGatewayInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets all the Nat Gateways in a subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<NatGatewayInner> object if successful./**
     * Gets all the Nat Gateways in a subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;NatGatewayInner&gt; object if successful.
     */
    public PagedList<NatGatewayInner> listNext(final String nextPageLink) {
        ServiceResponse<Page<NatGatewayInner>> response = listNextSinglePageAsync(nextPageLink).toBlocking().single();
        return new PagedList<NatGatewayInner>(response.body()) {
            @Override
            public Page<NatGatewayInner> nextPage(String nextPageLink) {
                return listNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets all the Nat Gateways in a subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
serviceFuture – the ServiceFuture object tracking the Retrofit calls
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets all the Nat Gateways in a subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @param serviceFuture the ServiceFuture object tracking the Retrofit calls
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<NatGatewayInner>> listNextAsync(final String nextPageLink, final ServiceFuture<List<NatGatewayInner>> serviceFuture, final ListOperationCallback<NatGatewayInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listNextSinglePageAsync(nextPageLink),
            new Func1<String, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(String nextPageLink) {
                    return listNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets all the Nat Gateways in a subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all the Nat Gateways in a subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<Page<NatGatewayInner>> listNextAsync(final String nextPageLink) {
        return listNextWithServiceResponseAsync(nextPageLink)
            .map(new Func1<ServiceResponse<Page<NatGatewayInner>>, Page<NatGatewayInner>>() {
                @Override
                public Page<NatGatewayInner> call(ServiceResponse<Page<NatGatewayInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets all the Nat Gateways in a subscription.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all the Nat Gateways in a subscription.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listNextWithServiceResponseAsync(final String nextPageLink) {
        return listNextSinglePageAsync(nextPageLink)
            .concatMap(new Func1<ServiceResponse<Page<NatGatewayInner>>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(ServiceResponse<Page<NatGatewayInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets all the Nat Gateways in a subscription.
ServiceResponse> * @param nextPageLink The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<NatGatewayInner> object wrapped in ServiceResponse if successful./**
     * Gets all the Nat Gateways in a subscription.
     *
    ServiceResponse<PageImpl<NatGatewayInner>> * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;NatGatewayInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listNextSinglePageAsync(final String nextPageLink) {
        if (nextPageLink == null) {
            throw new IllegalArgumentException("Parameter nextPageLink is required and cannot be null.");
        }
        String nextUrl = String.format("%s", nextPageLink);
        return service.listNext(nextUrl, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl<NatGatewayInner>> result = listNextDelegate(response);
                        return Observable.just(new ServiceResponse<Page<NatGatewayInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl<NatGatewayInner>> listNextDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl<NatGatewayInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl<NatGatewayInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

    
Gets all nat gateways in a resource group.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
CloudException – thrown if the request is rejected by server
RuntimeException – all other wrapped checked exceptions if the request fails to be sent
Returns:
the PagedList<NatGatewayInner> object if successful./**
     * Gets all nat gateways in a resource group.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @throws CloudException thrown if the request is rejected by server
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
     * @return the PagedList&lt;NatGatewayInner&gt; object if successful.
     */
    public PagedList<NatGatewayInner> listByResourceGroupNext(final String nextPageLink) {
        ServiceResponse<Page<NatGatewayInner>> response = listByResourceGroupNextSinglePageAsync(nextPageLink).toBlocking().single();
        return new PagedList<NatGatewayInner>(response.body()) {
            @Override
            public Page<NatGatewayInner> nextPage(String nextPageLink) {
                return listByResourceGroupNextSinglePageAsync(nextPageLink).toBlocking().single().body();
            }
        };
    }

    
Gets all nat gateways in a resource group.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
serviceFuture – the ServiceFuture object tracking the Retrofit calls
serviceCallback – the async ServiceCallback to handle successful and failed responses.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the ServiceFuture object/**
     * Gets all nat gateways in a resource group.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @param serviceFuture the ServiceFuture object tracking the Retrofit calls
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the {@link ServiceFuture} object
     */
    public ServiceFuture<List<NatGatewayInner>> listByResourceGroupNextAsync(final String nextPageLink, final ServiceFuture<List<NatGatewayInner>> serviceFuture, final ListOperationCallback<NatGatewayInner> serviceCallback) {
        return AzureServiceFuture.fromPageResponse(
            listByResourceGroupNextSinglePageAsync(nextPageLink),
            new Func1<String, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(String nextPageLink) {
                    return listByResourceGroupNextSinglePageAsync(nextPageLink);
                }
            },
            serviceCallback);
    }

    
Gets all nat gateways in a resource group.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all nat gateways in a resource group.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<Page<NatGatewayInner>> listByResourceGroupNextAsync(final String nextPageLink) {
        return listByResourceGroupNextWithServiceResponseAsync(nextPageLink)
            .map(new Func1<ServiceResponse<Page<NatGatewayInner>>, Page<NatGatewayInner>>() {
                @Override
                public Page<NatGatewayInner> call(ServiceResponse<Page<NatGatewayInner>> response) {
                    return response.body();
                }
            });
    }

    
Gets all nat gateways in a resource group.
Params:
nextPageLink – The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the observable to the PagedList<NatGatewayInner> object/**
     * Gets all nat gateways in a resource group.
     *
     * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the observable to the PagedList&lt;NatGatewayInner&gt; object
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listByResourceGroupNextWithServiceResponseAsync(final String nextPageLink) {
        return listByResourceGroupNextSinglePageAsync(nextPageLink)
            .concatMap(new Func1<ServiceResponse<Page<NatGatewayInner>>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(ServiceResponse<Page<NatGatewayInner>> page) {
                    String nextPageLink = page.body().nextPageLink();
                    if (nextPageLink == null) {
                        return Observable.just(page);
                    }
                    return Observable.just(page).concatWith(listByResourceGroupNextWithServiceResponseAsync(nextPageLink));
                }
            });
    }

    
Gets all nat gateways in a resource group.
ServiceResponse> * @param nextPageLink The NextLink from the previous successful call to List operation.
Throws:
IllegalArgumentException – thrown if parameters fail the validation
Returns:
the PagedList<NatGatewayInner> object wrapped in ServiceResponse if successful./**
     * Gets all nat gateways in a resource group.
     *
    ServiceResponse<PageImpl<NatGatewayInner>> * @param nextPageLink The NextLink from the previous successful call to List operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation
     * @return the PagedList&lt;NatGatewayInner&gt; object wrapped in {@link ServiceResponse} if successful.
     */
    public Observable<ServiceResponse<Page<NatGatewayInner>>> listByResourceGroupNextSinglePageAsync(final String nextPageLink) {
        if (nextPageLink == null) {
            throw new IllegalArgumentException("Parameter nextPageLink is required and cannot be null.");
        }
        String nextUrl = String.format("%s", nextPageLink);
        return service.listByResourceGroupNext(nextUrl, this.client.acceptLanguage(), this.client.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<Page<NatGatewayInner>>>>() {
                @Override
                public Observable<ServiceResponse<Page<NatGatewayInner>>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<PageImpl<NatGatewayInner>> result = listByResourceGroupNextDelegate(response);
                        return Observable.just(new ServiceResponse<Page<NatGatewayInner>>(result.body(), result.response()));
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }

    private ServiceResponse<PageImpl<NatGatewayInner>> listByResourceGroupNextDelegate(Response<ResponseBody> response) throws CloudException, IOException, IllegalArgumentException {
        return this.client.restClient().responseBuilderFactory().<PageImpl<NatGatewayInner>, CloudException>newInstance(this.client.serializerAdapter())
                .register(200, new TypeToken<PageImpl<NatGatewayInner>>() { }.getType())
                .registerError(CloudException.class)
                .build(response);
    }

}