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

package com.azure.resourcemanager.costmanagement.implementation;

import com.azure.core.annotation.BodyParam;
import com.azure.core.annotation.Delete;
import com.azure.core.annotation.ExpectedResponses;
import com.azure.core.annotation.Get;
import com.azure.core.annotation.HeaderParam;
import com.azure.core.annotation.Headers;
import com.azure.core.annotation.Host;
import com.azure.core.annotation.HostParam;
import com.azure.core.annotation.PathParam;
import com.azure.core.annotation.Put;
import com.azure.core.annotation.QueryParam;
import com.azure.core.annotation.ReturnType;
import com.azure.core.annotation.ServiceInterface;
import com.azure.core.annotation.ServiceMethod;
import com.azure.core.annotation.UnexpectedResponseExceptionType;
import com.azure.core.http.rest.PagedFlux;
import com.azure.core.http.rest.PagedIterable;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.PagedResponseBase;
import com.azure.core.http.rest.Response;
import com.azure.core.http.rest.RestProxy;
import com.azure.core.management.exception.ManagementException;
import com.azure.core.util.Context;
import com.azure.core.util.FluxUtil;
import com.azure.resourcemanager.costmanagement.fluent.ViewsClient;
import com.azure.resourcemanager.costmanagement.fluent.models.ViewInner;
import com.azure.resourcemanager.costmanagement.models.ViewListResult;
import reactor.core.publisher.Mono;

/** An instance of this class provides access to all the operations defined in ViewsClient. */
public final class ViewsClientImpl implements ViewsClient {
    /** The proxy service used to perform REST calls. */
    private final ViewsService service;

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

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

    /**
     * The interface defining all the services for CostManagementClientViews to be used by the proxy service to perform
     * REST calls.
     */
    @Host("{$host}")
    @ServiceInterface(name = "CostManagementClient")
    public interface ViewsService {
        @Headers({"Content-Type: application/json"})
        @Get("/providers/Microsoft.CostManagement/views")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ViewListResult>> list(
            @HostParam("$host") String endpoint,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get("/{scope}/providers/Microsoft.CostManagement/views")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ViewListResult>> listByScope(
            @HostParam("$host") String endpoint,
            @PathParam("scope") String scope,
            @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get("/providers/Microsoft.CostManagement/views/{viewName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ViewInner>> get(
            @HostParam("$host") String endpoint,
            @QueryParam("api-version") String apiVersion,
            @PathParam("viewName") String viewName,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Put("/providers/Microsoft.CostManagement/views/{viewName}")
        @ExpectedResponses({200, 201})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ViewInner>> createOrUpdate(
            @HostParam("$host") String endpoint,
            @QueryParam("api-version") String apiVersion,
            @PathParam("viewName") String viewName,
            @BodyParam("application/json") ViewInner parameters,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Delete("/providers/Microsoft.CostManagement/views/{viewName}")
        @ExpectedResponses({200, 204})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Void>> delete(
            @HostParam("$host") String endpoint,
            @QueryParam("api-version") String apiVersion,
            @PathParam("viewName") String viewName,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get("/{scope}/providers/Microsoft.CostManagement/views/{viewName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ViewInner>> getByScope(
            @HostParam("$host") String endpoint,
            @PathParam("scope") String scope,
            @QueryParam("api-version") String apiVersion,
            @PathParam("viewName") String viewName,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Put("/{scope}/providers/Microsoft.CostManagement/views/{viewName}")
        @ExpectedResponses({200, 201})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<ViewInner>> createOrUpdateByScope(
            @HostParam("$host") String endpoint,
            @PathParam("scope") String scope,
            @QueryParam("api-version") String apiVersion,
            @PathParam("viewName") String viewName,
            @BodyParam("application/json") ViewInner parameters,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Delete("/{scope}/providers/Microsoft.CostManagement/views/{viewName}")
        @ExpectedResponses({200, 204})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<Void>> deleteByScope(
            @HostParam("$host") String endpoint,
            @PathParam("scope") String scope,
            @QueryParam("api-version") String apiVersion,
            @PathParam("viewName") String viewName,
            @HeaderParam("Accept") String accept,
            Context context);

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

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

    /**
     * Lists all views by tenant and object.
     *
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listSinglePageAsync() {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context -> service.list(this.client.getEndpoint(), this.client.getApiVersion(), accept, context))
            .<PagedResponse<ViewInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists all views by tenant and object.
     *
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listSinglePageAsync(Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .list(this.client.getEndpoint(), this.client.getApiVersion(), accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Lists all views by tenant and object.
     *
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<ViewInner> listAsync() {
        return new PagedFlux<>(() -> listSinglePageAsync(), nextLink -> listNextSinglePageAsync(nextLink));
    }

    /**
     * Lists all views by tenant and object.
     *
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<ViewInner> listAsync(Context context) {
        return new PagedFlux<>(
            () -> listSinglePageAsync(context), nextLink -> listNextSinglePageAsync(nextLink, context));
    }

    /**
     * Lists all views by tenant and object.
     *
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ViewInner> list() {
        return new PagedIterable<>(listAsync());
    }

    /**
     * Lists all views by tenant and object.
     *
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ViewInner> list(Context context) {
        return new PagedIterable<>(listAsync(context));
    }

    /**
     * Lists all views at the given scope.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listByScopeSinglePageAsync(String scope) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service.listByScope(this.client.getEndpoint(), scope, this.client.getApiVersion(), accept, context))
            .<PagedResponse<ViewInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists all views at the given scope.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listByScopeSinglePageAsync(String scope, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByScope(this.client.getEndpoint(), scope, this.client.getApiVersion(), accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Lists all views at the given scope.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<ViewInner> listByScopeAsync(String scope) {
        return new PagedFlux<>(
            () -> listByScopeSinglePageAsync(scope), nextLink -> listByScopeNextSinglePageAsync(nextLink));
    }

    /**
     * Lists all views at the given scope.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<ViewInner> listByScopeAsync(String scope, Context context) {
        return new PagedFlux<>(
            () -> listByScopeSinglePageAsync(scope, context),
            nextLink -> listByScopeNextSinglePageAsync(nextLink, context));
    }

    /**
     * Lists all views at the given scope.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ViewInner> listByScope(String scope) {
        return new PagedIterable<>(listByScopeAsync(scope));
    }

    /**
     * Lists all views at the given scope.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<ViewInner> listByScope(String scope, Context context) {
        return new PagedIterable<>(listByScopeAsync(scope, context));
    }

    /**
     * Gets the view by view name.
     *
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view by view name along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> getWithResponseAsync(String viewName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service.get(this.client.getEndpoint(), this.client.getApiVersion(), viewName, accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets the view by view name.
     *
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view by view name along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> getWithResponseAsync(String viewName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.get(this.client.getEndpoint(), this.client.getApiVersion(), viewName, accept, context);
    }

    /**
     * Gets the view by view name.
     *
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view by view name on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<ViewInner> getAsync(String viewName) {
        return getWithResponseAsync(viewName).flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Gets the view by view name.
     *
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view by view name along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ViewInner> getWithResponse(String viewName, Context context) {
        return getWithResponseAsync(viewName, context).block();
    }

    /**
     * Gets the view by view name.
     *
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view by view name.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ViewInner get(String viewName) {
        return getWithResponse(viewName, Context.NONE).getValue();
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis along with {@link Response} on successful completion of {@link
     *     Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> createOrUpdateWithResponseAsync(String viewName, ViewInner parameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .createOrUpdate(
                            this.client.getEndpoint(),
                            this.client.getApiVersion(),
                            viewName,
                            parameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis along with {@link Response} on successful completion of {@link
     *     Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> createOrUpdateWithResponseAsync(
        String viewName, ViewInner parameters, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .createOrUpdate(
                this.client.getEndpoint(), this.client.getApiVersion(), viewName, parameters, accept, context);
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<ViewInner> createOrUpdateAsync(String viewName, ViewInner parameters) {
        return createOrUpdateWithResponseAsync(viewName, parameters).flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ViewInner> createOrUpdateWithResponse(String viewName, ViewInner parameters, Context context) {
        return createOrUpdateWithResponseAsync(viewName, parameters, context).block();
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ViewInner createOrUpdate(String viewName, ViewInner parameters) {
        return createOrUpdateWithResponse(viewName, parameters, Context.NONE).getValue();
    }

    /**
     * The operation to delete a view.
     *
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Void>> deleteWithResponseAsync(String viewName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service.delete(this.client.getEndpoint(), this.client.getApiVersion(), viewName, accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to delete a view.
     *
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Void>> deleteWithResponseAsync(String viewName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.delete(this.client.getEndpoint(), this.client.getApiVersion(), viewName, accept, context);
    }

    /**
     * The operation to delete a view.
     *
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> deleteAsync(String viewName) {
        return deleteWithResponseAsync(viewName).flatMap(ignored -> Mono.empty());
    }

    /**
     * The operation to delete a view.
     *
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<Void> deleteWithResponse(String viewName, Context context) {
        return deleteWithResponseAsync(viewName, context).block();
    }

    /**
     * The operation to delete a view.
     *
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void delete(String viewName) {
        deleteWithResponse(viewName, Context.NONE);
    }

    /**
     * Gets the view for the defined scope by view name.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view for the defined scope by view name along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> getByScopeWithResponseAsync(String scope, String viewName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .getByScope(
                            this.client.getEndpoint(), scope, this.client.getApiVersion(), viewName, accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets the view for the defined scope by view name.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view for the defined scope by view name along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> getByScopeWithResponseAsync(String scope, String viewName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .getByScope(this.client.getEndpoint(), scope, this.client.getApiVersion(), viewName, accept, context);
    }

    /**
     * Gets the view for the defined scope by view name.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view for the defined scope by view name on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<ViewInner> getByScopeAsync(String scope, String viewName) {
        return getByScopeWithResponseAsync(scope, viewName).flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Gets the view for the defined scope by view name.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view for the defined scope by view name along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ViewInner> getByScopeWithResponse(String scope, String viewName, Context context) {
        return getByScopeWithResponseAsync(scope, viewName, context).block();
    }

    /**
     * Gets the view for the defined scope by view name.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the view for the defined scope by view name.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ViewInner getByScope(String scope, String viewName) {
        return getByScopeWithResponse(scope, viewName, Context.NONE).getValue();
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis along with {@link Response} on successful completion of {@link
     *     Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> createOrUpdateByScopeWithResponseAsync(
        String scope, String viewName, ViewInner parameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .createOrUpdateByScope(
                            this.client.getEndpoint(),
                            scope,
                            this.client.getApiVersion(),
                            viewName,
                            parameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis along with {@link Response} on successful completion of {@link
     *     Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<ViewInner>> createOrUpdateByScopeWithResponseAsync(
        String scope, String viewName, ViewInner parameters, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.validate();
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .createOrUpdateByScope(
                this.client.getEndpoint(), scope, this.client.getApiVersion(), viewName, parameters, accept, context);
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<ViewInner> createOrUpdateByScopeAsync(String scope, String viewName, ViewInner parameters) {
        return createOrUpdateByScopeWithResponseAsync(scope, viewName, parameters)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<ViewInner> createOrUpdateByScopeWithResponse(
        String scope, String viewName, ViewInner parameters, Context context) {
        return createOrUpdateByScopeWithResponseAsync(scope, viewName, parameters, context).block();
    }

    /**
     * The operation to create or update a view. Update operation requires latest eTag to be set in the request. You may
     * obtain the latest eTag by performing a get operation. Create operation does not require eTag.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param parameters Parameters supplied to the CreateOrUpdate View operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return states and configurations of Cost Analysis.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public ViewInner createOrUpdateByScope(String scope, String viewName, ViewInner parameters) {
        return createOrUpdateByScopeWithResponse(scope, viewName, parameters, Context.NONE).getValue();
    }

    /**
     * The operation to delete a view.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Void>> deleteByScopeWithResponseAsync(String scope, String viewName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .deleteByScope(
                            this.client.getEndpoint(), scope, this.client.getApiVersion(), viewName, accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to delete a view.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Void>> deleteByScopeWithResponseAsync(String scope, String viewName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (scope == null) {
            return Mono.error(new IllegalArgumentException("Parameter scope is required and cannot be null."));
        }
        if (viewName == null) {
            return Mono.error(new IllegalArgumentException("Parameter viewName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .deleteByScope(this.client.getEndpoint(), scope, this.client.getApiVersion(), viewName, accept, context);
    }

    /**
     * The operation to delete a view.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> deleteByScopeAsync(String scope, String viewName) {
        return deleteByScopeWithResponseAsync(scope, viewName).flatMap(ignored -> Mono.empty());
    }

    /**
     * The operation to delete a view.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<Void> deleteByScopeWithResponse(String scope, String viewName, Context context) {
        return deleteByScopeWithResponseAsync(scope, viewName, context).block();
    }

    /**
     * The operation to delete a view.
     *
     * @param scope The scope associated with view operations. This includes 'subscriptions/{subscriptionId}' for
     *     subscription scope, 'subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup
     *     scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department
     *     scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for
     *     EnrollmentAccount scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for
     *     BillingProfile scope,
     *     'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/invoiceSections/{invoiceSectionId}' for
     *     InvoiceSection scope, 'providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management
     *     Group scope, 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountName}' for
     *     External Billing Account scope and
     *     'providers/Microsoft.CostManagement/externalSubscriptions/{externalSubscriptionName}' for External
     *     Subscription scope.
     * @param viewName View name.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void deleteByScope(String scope, String viewName) {
        deleteByScopeWithResponse(scope, viewName, Context.NONE);
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listNextSinglePageAsync(String nextLink) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.listNext(nextLink, this.client.getEndpoint(), accept, context))
            .<PagedResponse<ViewInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listNextSinglePageAsync(String nextLink, Context context) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listNext(nextLink, this.client.getEndpoint(), accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listByScopeNextSinglePageAsync(String nextLink) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.listByScopeNext(nextLink, this.client.getEndpoint(), accept, context))
            .<PagedResponse<ViewInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Get the next page of items.
     *
     * @param nextLink The URL to get the next list of items
     *     <p>The nextLink parameter.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return result of listing views along with {@link PagedResponse} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<ViewInner>> listByScopeNextSinglePageAsync(String nextLink, Context context) {
        if (nextLink == null) {
            return Mono.error(new IllegalArgumentException("Parameter nextLink is required and cannot be null."));
        }
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByScopeNext(nextLink, this.client.getEndpoint(), accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }
}
