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• InvoicesClientImpl.java

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com.azure.resourcemanager.billing.implementation.InvoicesClientImpl Maven / Gradle / Ivy

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

package com.azure.resourcemanager.billing.implementation;

import com.azure.core.annotation.BodyParam;
import com.azure.core.annotation.ExpectedResponses;
import com.azure.core.annotation.Get;
import com.azure.core.annotation.HeaderParam;
import com.azure.core.annotation.Headers;
import com.azure.core.annotation.Host;
import com.azure.core.annotation.HostParam;
import com.azure.core.annotation.PathParam;
import com.azure.core.annotation.Post;
import com.azure.core.annotation.QueryParam;
import com.azure.core.annotation.ReturnType;
import com.azure.core.annotation.ServiceInterface;
import com.azure.core.annotation.ServiceMethod;
import com.azure.core.annotation.UnexpectedResponseExceptionType;
import com.azure.core.http.rest.PagedFlux;
import com.azure.core.http.rest.PagedIterable;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.PagedResponseBase;
import com.azure.core.http.rest.Response;
import com.azure.core.http.rest.RestProxy;
import com.azure.core.management.exception.ManagementException;
import com.azure.core.management.polling.PollResult;
import com.azure.core.util.Context;
import com.azure.core.util.FluxUtil;
import com.azure.core.util.polling.PollerFlux;
import com.azure.core.util.polling.SyncPoller;
import com.azure.resourcemanager.billing.fluent.InvoicesClient;
import com.azure.resourcemanager.billing.fluent.models.DocumentDownloadResultInner;
import com.azure.resourcemanager.billing.fluent.models.InvoiceInner;
import com.azure.resourcemanager.billing.models.DocumentDownloadRequest;
import com.azure.resourcemanager.billing.models.InvoiceListResult;
import java.nio.ByteBuffer;
import java.time.LocalDate;
import java.util.List;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

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

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

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

    /**
     * The interface defining all the services for BillingManagementClientInvoices to be used by the proxy service to
     * perform REST calls.
     */
    @Host("{$host}")
    @ServiceInterface(name = "BillingManagementCli")
    public interface InvoicesService {
        @Headers({ "Content-Type: application/json" })
        @Get("/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/billingProfiles/{billingProfileName}/invoices")
        @ExpectedResponses({ 200 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono> listByBillingProfile(@HostParam("$host") String endpoint,
            @PathParam("billingAccountName") String billingAccountName,
            @PathParam("billingProfileName") String billingProfileName,
            @QueryParam("periodStartDate") LocalDate periodStartDate,
            @QueryParam("periodEndDate") LocalDate periodEndDate, @QueryParam("api-version") String apiVersion,
            @QueryParam("filter") String filter, @QueryParam("orderBy") String orderBy, @QueryParam("top") Long top,
            @QueryParam("skip") Long skip, @QueryParam("count") Boolean count, @QueryParam("search") String search,
            @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Post("/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/downloadDocuments")
        @ExpectedResponses({ 200, 202 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono>> downloadDocumentsByBillingAccount(@HostParam("$host") String endpoint,
            @PathParam("billingAccountName") String billingAccountName, @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") List parameters,
            @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Post("/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/amend")
        @ExpectedResponses({ 202 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono>> amend(@HostParam("$host") String endpoint,
            @PathParam("billingAccountName") String billingAccountName, @PathParam("invoiceName") String invoiceName,
            @QueryParam("api-version") String apiVersion, @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Post("/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/download")
        @ExpectedResponses({ 200, 202 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono>> downloadByBillingAccount(@HostParam("$host") String endpoint,
            @PathParam("billingAccountName") String billingAccountName, @PathParam("invoiceName") String invoiceName,
            @QueryParam("documentName") String documentName, @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Post("/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/downloadSummary")
        @ExpectedResponses({ 200, 202 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono>> downloadSummaryByBillingAccount(@HostParam("$host") String endpoint,
            @PathParam("billingAccountName") String billingAccountName, @PathParam("invoiceName") String invoiceName,
            @QueryParam("api-version") String apiVersion, @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Get("/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}")
        @ExpectedResponses({ 200 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono> getByBillingAccount(@HostParam("$host") String endpoint,
            @PathParam("billingAccountName") String billingAccountName, @PathParam("invoiceName") String invoiceName,
            @QueryParam("api-version") String apiVersion, @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Get("/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices")
        @ExpectedResponses({ 200 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono> listByBillingAccount(@HostParam("$host") String endpoint,
            @PathParam("billingAccountName") String billingAccountName,
            @QueryParam("periodStartDate") LocalDate periodStartDate,
            @QueryParam("periodEndDate") LocalDate periodEndDate, @QueryParam("api-version") String apiVersion,
            @QueryParam("filter") String filter, @QueryParam("orderBy") String orderBy, @QueryParam("top") Long top,
            @QueryParam("skip") Long skip, @QueryParam("count") Boolean count, @QueryParam("search") String search,
            @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Post("/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/downloadDocuments")
        @ExpectedResponses({ 200, 202 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono>> downloadDocumentsByBillingSubscription(@HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId, @QueryParam("api-version") String apiVersion,
            @BodyParam("application/json") List parameters,
            @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Post("/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}/download")
        @ExpectedResponses({ 200, 202 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono>> downloadByBillingSubscription(@HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId, @PathParam("invoiceName") String invoiceName,
            @QueryParam("documentName") String documentName, @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Get("/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}")
        @ExpectedResponses({ 200 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono> getByBillingSubscription(@HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId, @PathParam("invoiceName") String invoiceName,
            @QueryParam("api-version") String apiVersion, @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Get("/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices")
        @ExpectedResponses({ 200 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono> listByBillingSubscription(@HostParam("$host") String endpoint,
            @PathParam("subscriptionId") String subscriptionId,
            @QueryParam("periodStartDate") LocalDate periodStartDate,
            @QueryParam("periodEndDate") LocalDate periodEndDate, @QueryParam("api-version") String apiVersion,
            @QueryParam("filter") String filter, @QueryParam("orderBy") String orderBy, @QueryParam("top") Long top,
            @QueryParam("skip") Long skip, @QueryParam("count") Boolean count, @QueryParam("search") String search,
            @HeaderParam("Accept") String accept, Context context);

        @Headers({ "Content-Type: application/json" })
        @Get("/providers/Microsoft.Billing/billingAccounts/default/invoices/{invoiceName}")
        @ExpectedResponses({ 200 })
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono> get(@HostParam("$host") String endpoint,
            @PathParam("invoiceName") String invoiceName, @QueryParam("api-version") String apiVersion,
            @HeaderParam("Accept") String accept, Context context);

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

    /**
     * Lists the invoices for a billing profile for a given start date and end date. The operation is supported for
     * billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param billingProfileName The ID that uniquely identifies a billing profile.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @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 container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingProfileSinglePageAsync(String billingAccountName,
        String billingProfileName, LocalDate periodStartDate, LocalDate periodEndDate, String filter, String orderBy,
        Long top, Long skip, Boolean count, String search) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (billingProfileName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingProfileName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.listByBillingProfile(this.client.getEndpoint(), billingAccountName,
                billingProfileName, periodStartDate, periodEndDate, this.client.getApiVersion(), filter, orderBy, top,
                skip, count, search, accept, context))
            .>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 the invoices for a billing profile for a given start date and end date. The operation is supported for
     * billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param billingProfileName The ID that uniquely identifies a billing profile.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingProfileSinglePageAsync(String billingAccountName,
        String billingProfileName, LocalDate periodStartDate, LocalDate periodEndDate, String filter, String orderBy,
        Long top, Long skip, Boolean count, String search, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (billingProfileName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingProfileName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByBillingProfile(this.client.getEndpoint(), billingAccountName, billingProfileName, periodStartDate,
                periodEndDate, this.client.getApiVersion(), filter, orderBy, top, skip, count, search, accept, context)
            .map(res -> new PagedResponseBase<>(res.getRequest(), res.getStatusCode(), res.getHeaders(),
                res.getValue().value(), res.getValue().nextLink(), null));
    }

    /**
     * Lists the invoices for a billing profile for a given start date and end date. The operation is supported for
     * billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param billingProfileName The ID that uniquely identifies a billing profile.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @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 container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingProfileAsync(String billingAccountName, String billingProfileName,
        LocalDate periodStartDate, LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip,
        Boolean count, String search) {
        return new PagedFlux<>(
            () -> listByBillingProfileSinglePageAsync(billingAccountName, billingProfileName, periodStartDate,
                periodEndDate, filter, orderBy, top, skip, count, search),
            nextLink -> listByBillingProfileNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the invoices for a billing profile for a given start date and end date. The operation is supported for
     * billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param billingProfileName The ID that uniquely identifies a billing profile.
     * @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 container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingProfileAsync(String billingAccountName, String billingProfileName) {
        final LocalDate periodStartDate = null;
        final LocalDate periodEndDate = null;
        final String filter = null;
        final String orderBy = null;
        final Long top = null;
        final Long skip = null;
        final Boolean count = null;
        final String search = null;
        return new PagedFlux<>(
            () -> listByBillingProfileSinglePageAsync(billingAccountName, billingProfileName, periodStartDate,
                periodEndDate, filter, orderBy, top, skip, count, search),
            nextLink -> listByBillingProfileNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the invoices for a billing profile for a given start date and end date. The operation is supported for
     * billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param billingProfileName The ID that uniquely identifies a billing profile.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingProfileAsync(String billingAccountName, String billingProfileName,
        LocalDate periodStartDate, LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip,
        Boolean count, String search, Context context) {
        return new PagedFlux<>(
            () -> listByBillingProfileSinglePageAsync(billingAccountName, billingProfileName, periodStartDate,
                periodEndDate, filter, orderBy, top, skip, count, search, context),
            nextLink -> listByBillingProfileNextSinglePageAsync(nextLink, context));
    }

    /**
     * Lists the invoices for a billing profile for a given start date and end date. The operation is supported for
     * billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param billingProfileName The ID that uniquely identifies a billing profile.
     * @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 container for a list of resources as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable listByBillingProfile(String billingAccountName, String billingProfileName) {
        final LocalDate periodStartDate = null;
        final LocalDate periodEndDate = null;
        final String filter = null;
        final String orderBy = null;
        final Long top = null;
        final Long skip = null;
        final Boolean count = null;
        final String search = null;
        return new PagedIterable<>(listByBillingProfileAsync(billingAccountName, billingProfileName, periodStartDate,
            periodEndDate, filter, orderBy, top, skip, count, search));
    }

    /**
     * Lists the invoices for a billing profile for a given start date and end date. The operation is supported for
     * billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param billingProfileName The ID that uniquely identifies a billing profile.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable listByBillingProfile(String billingAccountName, String billingProfileName,
        LocalDate periodStartDate, LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip,
        Boolean count, String search, Context context) {
        return new PagedIterable<>(listByBillingProfileAsync(billingAccountName, billingProfileName, periodStartDate,
            periodEndDate, filter, orderBy, top, skip, count, search, context));
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @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 URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file
     * along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadDocumentsByBillingAccountWithResponseAsync(
        String billingAccountName, List parameters) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.forEach(e -> e.validate());
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.downloadDocumentsByBillingAccount(this.client.getEndpoint(),
                billingAccountName, this.client.getApiVersion(), parameters, accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file
     * along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadDocumentsByBillingAccountWithResponseAsync(
        String billingAccountName, List parameters, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.forEach(e -> e.validate());
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.downloadDocumentsByBillingAccount(this.client.getEndpoint(), billingAccountName,
            this.client.getApiVersion(), parameters, accept, context);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingAccountAsync(String billingAccountName,
            List parameters) {
        Mono>> mono
            = downloadDocumentsByBillingAccountWithResponseAsync(billingAccountName, parameters);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            this.client.getContext());
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingAccountAsync(String billingAccountName, List parameters,
            Context context) {
        context = this.client.mergeContext(context);
        Mono>> mono
            = downloadDocumentsByBillingAccountWithResponseAsync(billingAccountName, parameters, context);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            context);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingAccount(String billingAccountName, List parameters) {
        return this.beginDownloadDocumentsByBillingAccountAsync(billingAccountName, parameters).getSyncPoller();
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingAccount(String billingAccountName, List parameters,
            Context context) {
        return this.beginDownloadDocumentsByBillingAccountAsync(billingAccountName, parameters, context)
            .getSyncPoller();
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @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 URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file on
     * successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadDocumentsByBillingAccountAsync(String billingAccountName,
        List parameters) {
        return beginDownloadDocumentsByBillingAccountAsync(billingAccountName, parameters).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file on
     * successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadDocumentsByBillingAccountAsync(String billingAccountName,
        List parameters, Context context) {
        return beginDownloadDocumentsByBillingAccountAsync(billingAccountName, parameters, context).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @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 URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadDocumentsByBillingAccount(String billingAccountName,
        List parameters) {
        return downloadDocumentsByBillingAccountAsync(billingAccountName, parameters).block();
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadDocumentsByBillingAccount(String billingAccountName,
        List parameters, Context context) {
        return downloadDocumentsByBillingAccountAsync(billingAccountName, parameters, context).block();
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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>> amendWithResponseAsync(String billingAccountName, String invoiceName) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.amend(this.client.getEndpoint(), billingAccountName, invoiceName,
                this.client.getApiVersion(), accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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>> amendWithResponseAsync(String billingAccountName, String invoiceName,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.amend(this.client.getEndpoint(), billingAccountName, invoiceName, this.client.getApiVersion(),
            accept, context);
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, Void> beginAmendAsync(String billingAccountName, String invoiceName) {
        Mono>> mono = amendWithResponseAsync(billingAccountName, invoiceName);
        return this.client.getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class,
            this.client.getContext());
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, Void> beginAmendAsync(String billingAccountName, String invoiceName,
        Context context) {
        context = this.client.mergeContext(context);
        Mono>> mono = amendWithResponseAsync(billingAccountName, invoiceName, context);
        return this.client.getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class,
            context);
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, Void> beginAmend(String billingAccountName, String invoiceName) {
        return this.beginAmendAsync(billingAccountName, invoiceName).getSyncPoller();
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, Void> beginAmend(String billingAccountName, String invoiceName,
        Context context) {
        return this.beginAmendAsync(billingAccountName, invoiceName, context).getSyncPoller();
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 amendAsync(String billingAccountName, String invoiceName) {
        return beginAmendAsync(billingAccountName, invoiceName).last().flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono amendAsync(String billingAccountName, String invoiceName, Context context) {
        return beginAmendAsync(billingAccountName, invoiceName, context).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 amend(String billingAccountName, String invoiceName) {
        amendAsync(billingAccountName, invoiceName).block();
    }

    /**
     * Regenerate an invoice by billing account name and invoice name. The operation is supported for billing accounts
     * with agreement type Microsoft Customer Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void amend(String billingAccountName, String invoiceName, Context context) {
        amendAsync(billingAccountName, invoiceName, context).block();
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @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 URL to download an invoice document along with {@link Response} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadByBillingAccountWithResponseAsync(String billingAccountName,
        String invoiceName, String documentName) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.downloadByBillingAccount(this.client.getEndpoint(), billingAccountName,
                invoiceName, documentName, this.client.getApiVersion(), accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download an invoice document along with {@link Response} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadByBillingAccountWithResponseAsync(String billingAccountName,
        String invoiceName, String documentName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.downloadByBillingAccount(this.client.getEndpoint(), billingAccountName, invoiceName,
            documentName, this.client.getApiVersion(), accept, context);
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download an invoice document.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadByBillingAccountAsync(String billingAccountName, String invoiceName, String documentName) {
        Mono>> mono
            = downloadByBillingAccountWithResponseAsync(billingAccountName, invoiceName, documentName);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            this.client.getContext());
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download an invoice document.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadByBillingAccountAsync(String billingAccountName, String invoiceName) {
        final String documentName = null;
        Mono>> mono
            = downloadByBillingAccountWithResponseAsync(billingAccountName, invoiceName, documentName);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            this.client.getContext());
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download an invoice document.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadByBillingAccountAsync(String billingAccountName, String invoiceName, String documentName,
            Context context) {
        context = this.client.mergeContext(context);
        Mono>> mono
            = downloadByBillingAccountWithResponseAsync(billingAccountName, invoiceName, documentName, context);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            context);
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download an invoice document.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadByBillingAccount(String billingAccountName, String invoiceName) {
        final String documentName = null;
        return this.beginDownloadByBillingAccountAsync(billingAccountName, invoiceName, documentName).getSyncPoller();
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download an invoice document.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadByBillingAccount(String billingAccountName, String invoiceName, String documentName,
            Context context) {
        return this.beginDownloadByBillingAccountAsync(billingAccountName, invoiceName, documentName, context)
            .getSyncPoller();
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @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 URL to download an invoice document on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadByBillingAccountAsync(String billingAccountName,
        String invoiceName, String documentName) {
        return beginDownloadByBillingAccountAsync(billingAccountName, invoiceName, documentName).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 URL to download an invoice document on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadByBillingAccountAsync(String billingAccountName,
        String invoiceName) {
        final String documentName = null;
        return beginDownloadByBillingAccountAsync(billingAccountName, invoiceName, documentName).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download an invoice document on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadByBillingAccountAsync(String billingAccountName,
        String invoiceName, String documentName, Context context) {
        return beginDownloadByBillingAccountAsync(billingAccountName, invoiceName, documentName, context).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 URL to download an invoice document.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadByBillingAccount(String billingAccountName, String invoiceName) {
        final String documentName = null;
        return downloadByBillingAccountAsync(billingAccountName, invoiceName, documentName).block();
    }

    /**
     * Gets a URL to download an invoice document. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement, Microsoft Customer Agreement or Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download an invoice document.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadByBillingAccount(String billingAccountName, String invoiceName,
        String documentName, Context context) {
        return downloadByBillingAccountAsync(billingAccountName, invoiceName, documentName, context).block();
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 URL to download the summary document for an invoice along with {@link Response} on successful
     * completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadSummaryByBillingAccountWithResponseAsync(String billingAccountName,
        String invoiceName) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.downloadSummaryByBillingAccount(this.client.getEndpoint(),
                billingAccountName, invoiceName, this.client.getApiVersion(), accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download the summary document for an invoice along with {@link Response} on successful
     * completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadSummaryByBillingAccountWithResponseAsync(String billingAccountName,
        String invoiceName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.downloadSummaryByBillingAccount(this.client.getEndpoint(), billingAccountName, invoiceName,
            this.client.getApiVersion(), accept, context);
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download the summary document for an invoice.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadSummaryByBillingAccountAsync(String billingAccountName, String invoiceName) {
        Mono>> mono
            = downloadSummaryByBillingAccountWithResponseAsync(billingAccountName, invoiceName);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            this.client.getContext());
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download the summary document for an invoice.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadSummaryByBillingAccountAsync(String billingAccountName, String invoiceName, Context context) {
        context = this.client.mergeContext(context);
        Mono>> mono
            = downloadSummaryByBillingAccountWithResponseAsync(billingAccountName, invoiceName, context);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            context);
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download the summary document for an invoice.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadSummaryByBillingAccount(String billingAccountName, String invoiceName) {
        return this.beginDownloadSummaryByBillingAccountAsync(billingAccountName, invoiceName).getSyncPoller();
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download the summary document for an invoice.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadSummaryByBillingAccount(String billingAccountName, String invoiceName, Context context) {
        return this.beginDownloadSummaryByBillingAccountAsync(billingAccountName, invoiceName, context).getSyncPoller();
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 URL to download the summary document for an invoice on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadSummaryByBillingAccountAsync(String billingAccountName,
        String invoiceName) {
        return beginDownloadSummaryByBillingAccountAsync(billingAccountName, invoiceName).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download the summary document for an invoice on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadSummaryByBillingAccountAsync(String billingAccountName,
        String invoiceName, Context context) {
        return beginDownloadSummaryByBillingAccountAsync(billingAccountName, invoiceName, context).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 URL to download the summary document for an invoice.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadSummaryByBillingAccount(String billingAccountName, String invoiceName) {
        return downloadSummaryByBillingAccountAsync(billingAccountName, invoiceName).block();
    }

    /**
     * Gets a URL to download the summary document for an invoice. The operation is supported for billing accounts with
     * agreement type Enterprise Agreement.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download the summary document for an invoice.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadSummaryByBillingAccount(String billingAccountName, String invoiceName,
        Context context) {
        return downloadSummaryByBillingAccountAsync(billingAccountName, invoiceName, context).block();
    }

    /**
     * Gets an invoice by billing account name and ID. The operation is supported for all billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by billing account name and ID along with {@link Response} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> getByBillingAccountWithResponseAsync(String billingAccountName,
        String invoiceName) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.getByBillingAccount(this.client.getEndpoint(), billingAccountName,
                invoiceName, this.client.getApiVersion(), accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets an invoice by billing account name and ID. The operation is supported for all billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by billing account name and ID along with {@link Response} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> getByBillingAccountWithResponseAsync(String billingAccountName,
        String invoiceName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.getByBillingAccount(this.client.getEndpoint(), billingAccountName, invoiceName,
            this.client.getApiVersion(), accept, context);
    }

    /**
     * Gets an invoice by billing account name and ID. The operation is supported for all billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by billing account name and ID on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono getByBillingAccountAsync(String billingAccountName, String invoiceName) {
        return getByBillingAccountWithResponseAsync(billingAccountName, invoiceName)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Gets an invoice by billing account name and ID. The operation is supported for all billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by billing account name and ID along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response getByBillingAccountWithResponse(String billingAccountName, String invoiceName,
        Context context) {
        return getByBillingAccountWithResponseAsync(billingAccountName, invoiceName, context).block();
    }

    /**
     * Gets an invoice by billing account name and ID. The operation is supported for all billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by billing account name and ID.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public InvoiceInner getByBillingAccount(String billingAccountName, String invoiceName) {
        return getByBillingAccountWithResponse(billingAccountName, invoiceName, Context.NONE).getValue();
    }

    /**
     * Lists the invoices for a billing account for a given start date and end date. The operation is supported for all
     * billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @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 container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingAccountSinglePageAsync(String billingAccountName,
        LocalDate periodStartDate, LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip,
        Boolean count, String search) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.listByBillingAccount(this.client.getEndpoint(), billingAccountName,
                periodStartDate, periodEndDate, this.client.getApiVersion(), filter, orderBy, top, skip, count, search,
                accept, context))
            .>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 the invoices for a billing account for a given start date and end date. The operation is supported for all
     * billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingAccountSinglePageAsync(String billingAccountName,
        LocalDate periodStartDate, LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip,
        Boolean count, String search, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (billingAccountName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter billingAccountName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByBillingAccount(this.client.getEndpoint(), billingAccountName, periodStartDate, periodEndDate,
                this.client.getApiVersion(), filter, orderBy, top, skip, count, search, accept, context)
            .map(res -> new PagedResponseBase<>(res.getRequest(), res.getStatusCode(), res.getHeaders(),
                res.getValue().value(), res.getValue().nextLink(), null));
    }

    /**
     * Lists the invoices for a billing account for a given start date and end date. The operation is supported for all
     * billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @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 container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingAccountAsync(String billingAccountName, LocalDate periodStartDate,
        LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip, Boolean count, String search) {
        return new PagedFlux<>(() -> listByBillingAccountSinglePageAsync(billingAccountName, periodStartDate,
            periodEndDate, filter, orderBy, top, skip, count, search),
            nextLink -> listByBillingAccountNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the invoices for a billing account for a given start date and end date. The operation is supported for all
     * billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @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 container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingAccountAsync(String billingAccountName) {
        final LocalDate periodStartDate = null;
        final LocalDate periodEndDate = null;
        final String filter = null;
        final String orderBy = null;
        final Long top = null;
        final Long skip = null;
        final Boolean count = null;
        final String search = null;
        return new PagedFlux<>(() -> listByBillingAccountSinglePageAsync(billingAccountName, periodStartDate,
            periodEndDate, filter, orderBy, top, skip, count, search),
            nextLink -> listByBillingAccountNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the invoices for a billing account for a given start date and end date. The operation is supported for all
     * billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingAccountAsync(String billingAccountName, LocalDate periodStartDate,
        LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip, Boolean count, String search,
        Context context) {
        return new PagedFlux<>(
            () -> listByBillingAccountSinglePageAsync(billingAccountName, periodStartDate, periodEndDate, filter,
                orderBy, top, skip, count, search, context),
            nextLink -> listByBillingAccountNextSinglePageAsync(nextLink, context));
    }

    /**
     * Lists the invoices for a billing account for a given start date and end date. The operation is supported for all
     * billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @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 container for a list of resources as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable listByBillingAccount(String billingAccountName) {
        final LocalDate periodStartDate = null;
        final LocalDate periodEndDate = null;
        final String filter = null;
        final String orderBy = null;
        final Long top = null;
        final Long skip = null;
        final Boolean count = null;
        final String search = null;
        return new PagedIterable<>(listByBillingAccountAsync(billingAccountName, periodStartDate, periodEndDate, filter,
            orderBy, top, skip, count, search));
    }

    /**
     * Lists the invoices for a billing account for a given start date and end date. The operation is supported for all
     * billing account types.
     * 
     * @param billingAccountName The ID that uniquely identifies a billing account.
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable listByBillingAccount(String billingAccountName, LocalDate periodStartDate,
        LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip, Boolean count, String search,
        Context context) {
        return new PagedIterable<>(listByBillingAccountAsync(billingAccountName, periodStartDate, periodEndDate, filter,
            orderBy, top, skip, count, search, context));
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @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 URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file
     * along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>>
        downloadDocumentsByBillingSubscriptionWithResponseAsync(List parameters) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.forEach(e -> e.validate());
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.downloadDocumentsByBillingSubscription(this.client.getEndpoint(),
                this.client.getSubscriptionId(), this.client.getApiVersion(), parameters, accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file
     * along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadDocumentsByBillingSubscriptionWithResponseAsync(
        List parameters, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (parameters == null) {
            return Mono.error(new IllegalArgumentException("Parameter parameters is required and cannot be null."));
        } else {
            parameters.forEach(e -> e.validate());
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.downloadDocumentsByBillingSubscription(this.client.getEndpoint(),
            this.client.getSubscriptionId(), this.client.getApiVersion(), parameters, accept, context);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingSubscriptionAsync(List parameters) {
        Mono>> mono = downloadDocumentsByBillingSubscriptionWithResponseAsync(parameters);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            this.client.getContext());
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingSubscriptionAsync(List parameters, Context context) {
        context = this.client.mergeContext(context);
        Mono>> mono
            = downloadDocumentsByBillingSubscriptionWithResponseAsync(parameters, context);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            context);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingSubscription(List parameters) {
        return this.beginDownloadDocumentsByBillingSubscriptionAsync(parameters).getSyncPoller();
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download multiple invoice documents (invoice pdf, tax
     * receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadDocumentsByBillingSubscription(List parameters, Context context) {
        return this.beginDownloadDocumentsByBillingSubscriptionAsync(parameters, context).getSyncPoller();
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @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 URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file on
     * successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono
        downloadDocumentsByBillingSubscriptionAsync(List parameters) {
        return beginDownloadDocumentsByBillingSubscriptionAsync(parameters).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file on
     * successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono
        downloadDocumentsByBillingSubscriptionAsync(List parameters, Context context) {
        return beginDownloadDocumentsByBillingSubscriptionAsync(parameters, context).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @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 URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner
        downloadDocumentsByBillingSubscription(List parameters) {
        return downloadDocumentsByBillingSubscriptionAsync(parameters).block();
    }

    /**
     * Gets a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file. The
     * operation is supported for billing accounts with agreement type Microsoft Partner Agreement or Microsoft Customer
     * Agreement.
     * 
     * @param parameters A list of download details for individual documents.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download multiple invoice documents (invoice pdf, tax receipts, credit notes) as a zip file.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadDocumentsByBillingSubscription(List parameters,
        Context context) {
        return downloadDocumentsByBillingSubscriptionAsync(parameters, context).block();
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @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 URL to download an invoice by billing subscription along with {@link Response} on successful completion
     * of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadByBillingSubscriptionWithResponseAsync(String invoiceName,
        String documentName) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil.withContext(context -> service.downloadByBillingSubscription(this.client.getEndpoint(),
            this.client.getSubscriptionId(), invoiceName, documentName, this.client.getApiVersion(), accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download an invoice by billing subscription along with {@link Response} on successful completion
     * of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono>> downloadByBillingSubscriptionWithResponseAsync(String invoiceName,
        String documentName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.downloadByBillingSubscription(this.client.getEndpoint(), this.client.getSubscriptionId(),
            invoiceName, documentName, this.client.getApiVersion(), accept, context);
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download an invoice by billing subscription.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadByBillingSubscriptionAsync(String invoiceName, String documentName) {
        Mono>> mono
            = downloadByBillingSubscriptionWithResponseAsync(invoiceName, documentName);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            this.client.getContext());
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download an invoice by billing subscription.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadByBillingSubscriptionAsync(String invoiceName) {
        final String documentName = null;
        Mono>> mono
            = downloadByBillingSubscriptionWithResponseAsync(invoiceName, documentName);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            this.client.getContext());
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of a URL to download an invoice by billing subscription.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux, DocumentDownloadResultInner>
        beginDownloadByBillingSubscriptionAsync(String invoiceName, String documentName, Context context) {
        context = this.client.mergeContext(context);
        Mono>> mono
            = downloadByBillingSubscriptionWithResponseAsync(invoiceName, documentName, context);
        return this.client.getLroResult(mono,
            this.client.getHttpPipeline(), DocumentDownloadResultInner.class, DocumentDownloadResultInner.class,
            context);
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download an invoice by billing subscription.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadByBillingSubscription(String invoiceName) {
        final String documentName = null;
        return this.beginDownloadByBillingSubscriptionAsync(invoiceName, documentName).getSyncPoller();
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of a URL to download an invoice by billing subscription.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller, DocumentDownloadResultInner>
        beginDownloadByBillingSubscription(String invoiceName, String documentName, Context context) {
        return this.beginDownloadByBillingSubscriptionAsync(invoiceName, documentName, context).getSyncPoller();
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @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 URL to download an invoice by billing subscription on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadByBillingSubscriptionAsync(String invoiceName,
        String documentName) {
        return beginDownloadByBillingSubscriptionAsync(invoiceName, documentName).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 URL to download an invoice by billing subscription on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadByBillingSubscriptionAsync(String invoiceName) {
        final String documentName = null;
        return beginDownloadByBillingSubscriptionAsync(invoiceName, documentName).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download an invoice by billing subscription on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono downloadByBillingSubscriptionAsync(String invoiceName,
        String documentName, Context context) {
        return beginDownloadByBillingSubscriptionAsync(invoiceName, documentName, context).last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 URL to download an invoice by billing subscription.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadByBillingSubscription(String invoiceName) {
        final String documentName = null;
        return downloadByBillingSubscriptionAsync(invoiceName, documentName).block();
    }

    /**
     * Gets a URL to download an invoice by billing subscription. The operation is supported for billing accounts with
     * agreement type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @param documentName The ID that uniquely identifies an invoice document. This ID may be an identifier for an
     * invoice PDF, a credit note, or a tax receipt.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a URL to download an invoice by billing subscription.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public DocumentDownloadResultInner downloadByBillingSubscription(String invoiceName, String documentName,
        Context context) {
        return downloadByBillingSubscriptionAsync(invoiceName, documentName, context).block();
    }

    /**
     * Gets an invoice by subscription ID and invoice ID. The operation is supported for billing accounts with agreement
     * type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by subscription ID and invoice ID along with {@link Response} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> getByBillingSubscriptionWithResponseAsync(String invoiceName) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.getByBillingSubscription(this.client.getEndpoint(),
                this.client.getSubscriptionId(), invoiceName, this.client.getApiVersion(), accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets an invoice by subscription ID and invoice ID. The operation is supported for billing accounts with agreement
     * type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by subscription ID and invoice ID along with {@link Response} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> getByBillingSubscriptionWithResponseAsync(String invoiceName,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.getByBillingSubscription(this.client.getEndpoint(), this.client.getSubscriptionId(), invoiceName,
            this.client.getApiVersion(), accept, context);
    }

    /**
     * Gets an invoice by subscription ID and invoice ID. The operation is supported for billing accounts with agreement
     * type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by subscription ID and invoice ID on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono getByBillingSubscriptionAsync(String invoiceName) {
        return getByBillingSubscriptionWithResponseAsync(invoiceName).flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Gets an invoice by subscription ID and invoice ID. The operation is supported for billing accounts with agreement
     * type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by subscription ID and invoice ID along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response getByBillingSubscriptionWithResponse(String invoiceName, Context context) {
        return getByBillingSubscriptionWithResponseAsync(invoiceName, context).block();
    }

    /**
     * Gets an invoice by subscription ID and invoice ID. The operation is supported for billing accounts with agreement
     * type Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by subscription ID and invoice ID.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public InvoiceInner getByBillingSubscription(String invoiceName) {
        return getByBillingSubscriptionWithResponse(invoiceName, Context.NONE).getValue();
    }

    /**
     * Lists the invoices for a subscription. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @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 container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingSubscriptionSinglePageAsync(LocalDate periodStartDate,
        LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip, Boolean count, String search) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.listByBillingSubscription(this.client.getEndpoint(),
                this.client.getSubscriptionId(), periodStartDate, periodEndDate, this.client.getApiVersion(), filter,
                orderBy, top, skip, count, search, accept, context))
            .>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 the invoices for a subscription. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingSubscriptionSinglePageAsync(LocalDate periodStartDate,
        LocalDate periodEndDate, String filter, String orderBy, Long top, Long skip, Boolean count, String search,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (this.client.getSubscriptionId() == null) {
            return Mono.error(new IllegalArgumentException(
                "Parameter this.client.getSubscriptionId() is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .listByBillingSubscription(this.client.getEndpoint(), this.client.getSubscriptionId(), periodStartDate,
                periodEndDate, this.client.getApiVersion(), filter, orderBy, top, skip, count, search, accept, context)
            .map(res -> new PagedResponseBase<>(res.getRequest(), res.getStatusCode(), res.getHeaders(),
                res.getValue().value(), res.getValue().nextLink(), null));
    }

    /**
     * Lists the invoices for a subscription. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @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 container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingSubscriptionAsync(LocalDate periodStartDate, LocalDate periodEndDate,
        String filter, String orderBy, Long top, Long skip, Boolean count, String search) {
        return new PagedFlux<>(() -> listByBillingSubscriptionSinglePageAsync(periodStartDate, periodEndDate, filter,
            orderBy, top, skip, count, search), nextLink -> listByBillingSubscriptionNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the invoices for a subscription. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @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 container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingSubscriptionAsync() {
        final LocalDate periodStartDate = null;
        final LocalDate periodEndDate = null;
        final String filter = null;
        final String orderBy = null;
        final Long top = null;
        final Long skip = null;
        final Boolean count = null;
        final String search = null;
        return new PagedFlux<>(() -> listByBillingSubscriptionSinglePageAsync(periodStartDate, periodEndDate, filter,
            orderBy, top, skip, count, search), nextLink -> listByBillingSubscriptionNextSinglePageAsync(nextLink));
    }

    /**
     * Lists the invoices for a subscription. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux listByBillingSubscriptionAsync(LocalDate periodStartDate, LocalDate periodEndDate,
        String filter, String orderBy, Long top, Long skip, Boolean count, String search, Context context) {
        return new PagedFlux<>(() -> listByBillingSubscriptionSinglePageAsync(periodStartDate, periodEndDate, filter,
            orderBy, top, skip, count, search, context),
            nextLink -> listByBillingSubscriptionNextSinglePageAsync(nextLink, context));
    }

    /**
     * Lists the invoices for a subscription. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @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 container for a list of resources as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable listByBillingSubscription() {
        final LocalDate periodStartDate = null;
        final LocalDate periodEndDate = null;
        final String filter = null;
        final String orderBy = null;
        final Long top = null;
        final Long skip = null;
        final Boolean count = null;
        final String search = null;
        return new PagedIterable<>(
            listByBillingSubscriptionAsync(periodStartDate, periodEndDate, filter, orderBy, top, skip, count, search));
    }

    /**
     * Lists the invoices for a subscription. The operation is supported for billing accounts with agreement type
     * Microsoft Partner Agreement or Microsoft Customer Agreement.
     * 
     * @param periodStartDate The start date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param periodEndDate The end date of the billing period for which the invoice is generated. The date is in
     * MM-DD-YYYY format.
     * @param filter The filter query option allows clients to filter a collection of resources that are addressed by a
     * request URL.
     * @param orderBy The orderby query option allows clients to request resources in a particular order.
     * @param top The top query option requests the number of items in the queried collection to be included in the
     * result. The maximum supported value for top is 50.
     * @param skip The skip query option requests the number of items in the queried collection that are to be skipped
     * and not included in the result.
     * @param count The count query option allows clients to request a count of the matching resources included with the
     * resources in the response.
     * @param search The search query option allows clients to request items within a collection matching a free-text
     * search expression. search is only supported for string fields.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable listByBillingSubscription(LocalDate periodStartDate, LocalDate periodEndDate,
        String filter, String orderBy, Long top, Long skip, Boolean count, String search, Context context) {
        return new PagedIterable<>(listByBillingSubscriptionAsync(periodStartDate, periodEndDate, filter, orderBy, top,
            skip, count, search, context));
    }

    /**
     * Gets an invoice by ID. The operation is supported for billing accounts with agreement type Microsoft Partner
     * Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by ID along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> getWithResponseAsync(String invoiceName) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        return FluxUtil
            .withContext(context -> service.get(this.client.getEndpoint(), invoiceName, this.client.getApiVersion(),
                accept, context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Gets an invoice by ID. The operation is supported for billing accounts with agreement type Microsoft Partner
     * Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by ID along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> getWithResponseAsync(String invoiceName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono.error(
                new IllegalArgumentException("Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (invoiceName == null) {
            return Mono.error(new IllegalArgumentException("Parameter invoiceName is required and cannot be null."));
        }
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service.get(this.client.getEndpoint(), invoiceName, this.client.getApiVersion(), accept, context);
    }

    /**
     * Gets an invoice by ID. The operation is supported for billing accounts with agreement type Microsoft Partner
     * Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by ID on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono getAsync(String invoiceName) {
        return getWithResponseAsync(invoiceName).flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * Gets an invoice by ID. The operation is supported for billing accounts with agreement type Microsoft Partner
     * Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by ID along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response getWithResponse(String invoiceName, Context context) {
        return getWithResponseAsync(invoiceName, context).block();
    }

    /**
     * Gets an invoice by ID. The operation is supported for billing accounts with agreement type Microsoft Partner
     * Agreement or Microsoft Customer Agreement.
     * 
     * @param invoiceName The ID that uniquely identifies an invoice.
     * @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 an invoice by ID.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public InvoiceInner get(String invoiceName) {
        return getWithResponse(invoiceName, Context.NONE).getValue();
    }

    /**
     * Get the next page of items.
     * 
     * @param nextLink The URL to get the next list of items.
     * @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 container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingProfileNextSinglePageAsync(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.listByBillingProfileNext(nextLink, this.client.getEndpoint(), accept, context))
            .>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.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingProfileNextSinglePageAsync(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.listByBillingProfileNext(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.
     * @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 container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingAccountNextSinglePageAsync(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.listByBillingAccountNext(nextLink, this.client.getEndpoint(), accept, context))
            .>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.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingAccountNextSinglePageAsync(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.listByBillingAccountNext(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.
     * @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 container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingSubscriptionNextSinglePageAsync(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.listByBillingSubscriptionNext(nextLink, this.client.getEndpoint(), accept, context))
            .>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.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a container for a list of resources along with {@link PagedResponse} on successful completion of
     * {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono> listByBillingSubscriptionNextSinglePageAsync(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.listByBillingSubscriptionNext(nextLink, this.client.getEndpoint(), accept, context)
            .map(res -> new PagedResponseBase<>(res.getRequest(), res.getStatusCode(), res.getHeaders(),
                res.getValue().value(), res.getValue().nextLink(), null));
    }
}