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

package com.azure.resourcemanager.compute.implementation;

import com.azure.core.annotation.BodyParam;
import com.azure.core.annotation.Delete;
import com.azure.core.annotation.ExpectedResponses;
import com.azure.core.annotation.Get;
import com.azure.core.annotation.HeaderParam;
import com.azure.core.annotation.Headers;
import com.azure.core.annotation.Host;
import com.azure.core.annotation.HostParam;
import com.azure.core.annotation.Patch;
import com.azure.core.annotation.PathParam;
import com.azure.core.annotation.Put;
import com.azure.core.annotation.QueryParam;
import com.azure.core.annotation.ReturnType;
import com.azure.core.annotation.ServiceInterface;
import com.azure.core.annotation.ServiceMethod;
import com.azure.core.annotation.UnexpectedResponseExceptionType;
import com.azure.core.http.rest.PagedFlux;
import com.azure.core.http.rest.PagedIterable;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.PagedResponseBase;
import com.azure.core.http.rest.Response;
import com.azure.core.http.rest.RestProxy;
import com.azure.core.management.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.compute.fluent.VirtualMachineScaleSetExtensionsClient;
import com.azure.resourcemanager.compute.fluent.models.VirtualMachineScaleSetExtensionInner;
import com.azure.resourcemanager.compute.models.ApiErrorException;
import com.azure.resourcemanager.compute.models.VirtualMachineScaleSetExtensionListResult;
import com.azure.resourcemanager.compute.models.VirtualMachineScaleSetExtensionUpdate;
import java.nio.ByteBuffer;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

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

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

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

    /**
     * The interface defining all the services for ComputeManagementClientVirtualMachineScaleSetExtensions to be used by
     * the proxy service to perform REST calls.
     */
    @Host("{$host}")
    @ServiceInterface(name = "ComputeManagementCli")
    public interface VirtualMachineScaleSetExtensionsService {
        @Headers({"Content-Type: application/json"})
        @Put(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}")
        @ExpectedResponses({200, 201})
        @UnexpectedResponseExceptionType(ApiErrorException.class)
        Mono<Response<Flux<ByteBuffer>>> createOrUpdate(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("vmScaleSetName") String vmScaleSetName,
            @PathParam("vmssExtensionName") String vmssExtensionName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @BodyParam("application/json") VirtualMachineScaleSetExtensionInner extensionParameters,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Patch(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}")
        @ExpectedResponses({200, 201})
        @UnexpectedResponseExceptionType(ApiErrorException.class)
        Mono<Response<Flux<ByteBuffer>>> update(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("vmScaleSetName") String vmScaleSetName,
            @PathParam("vmssExtensionName") String vmssExtensionName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @BodyParam("application/json") VirtualMachineScaleSetExtensionUpdate extensionParameters,
            @HeaderParam("Accept") String accept,
            Context context);

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

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ApiErrorException.class)
        Mono<Response<VirtualMachineScaleSetExtensionInner>> get(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("vmScaleSetName") String vmScaleSetName,
            @PathParam("vmssExtensionName") String vmssExtensionName,
            @QueryParam("$expand") String expand,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @HeaderParam("Accept") String accept,
            Context context);

        @Headers({"Content-Type: application/json"})
        @Get(
            "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ApiErrorException.class)
        Mono<Response<VirtualMachineScaleSetExtensionListResult>> list(
            @HostParam("$host") String endpoint,
            @PathParam("resourceGroupName") String resourceGroupName,
            @PathParam("vmScaleSetName") String vmScaleSetName,
            @QueryParam("api-version") String apiVersion,
            @PathParam("subscriptionId") String subscriptionId,
            @HeaderParam("Accept") String accept,
            Context context);

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

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionInner extensionParameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 (extensionParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter extensionParameters is required and cannot be null."));
        } else {
            extensionParameters.validate();
        }
        final String apiVersion = "2023-03-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .createOrUpdate(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            vmScaleSetName,
                            vmssExtensionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            extensionParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> createOrUpdateWithResponseAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionInner extensionParameters,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 (extensionParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter extensionParameters is required and cannot be null."));
        } else {
            extensionParameters.validate();
        }
        final String apiVersion = "2023-03-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .createOrUpdate(
                this.client.getEndpoint(),
                resourceGroupName,
                vmScaleSetName,
                vmssExtensionName,
                apiVersion,
                this.client.getSubscriptionId(),
                extensionParameters,
                accept,
                context);
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionInner extensionParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters);
        return this
            .client
            .<VirtualMachineScaleSetExtensionInner, VirtualMachineScaleSetExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetExtensionInner.class,
                VirtualMachineScaleSetExtensionInner.class,
                this.client.getContext());
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionInner extensionParameters,
            Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(
                resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context);
        return this
            .client
            .<VirtualMachineScaleSetExtensionInner, VirtualMachineScaleSetExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetExtensionInner.class,
                VirtualMachineScaleSetExtensionInner.class,
                context);
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginCreateOrUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionInner extensionParameters) {
        return this
            .beginCreateOrUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters)
            .getSyncPoller();
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginCreateOrUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionInner extensionParameters,
            Context context) {
        return this
            .beginCreateOrUpdateAsync(
                resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context)
            .getSyncPoller();
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VirtualMachineScaleSetExtensionInner> createOrUpdateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionInner extensionParameters) {
        return beginCreateOrUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<VirtualMachineScaleSetExtensionInner> createOrUpdateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionInner extensionParameters,
        Context context) {
        return beginCreateOrUpdateAsync(
                resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetExtensionInner createOrUpdate(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionInner extensionParameters) {
        return createOrUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters).block();
    }

    /**
     * The operation to create or update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be create or updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Create VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetExtensionInner createOrUpdate(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionInner extensionParameters,
        Context context) {
        return createOrUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context)
            .block();
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> updateWithResponseAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionUpdate extensionParameters) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 (extensionParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter extensionParameters is required and cannot be null."));
        } else {
            extensionParameters.validate();
        }
        final String apiVersion = "2023-03-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .update(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            vmScaleSetName,
                            vmssExtensionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            extensionParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> updateWithResponseAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionUpdate extensionParameters,
        Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 (extensionParameters == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter extensionParameters is required and cannot be null."));
        } else {
            extensionParameters.validate();
        }
        final String apiVersion = "2023-03-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .update(
                this.client.getEndpoint(),
                resourceGroupName,
                vmScaleSetName,
                vmssExtensionName,
                apiVersion,
                this.client.getSubscriptionId(),
                extensionParameters,
                accept,
                context);
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionUpdate extensionParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            updateWithResponseAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters);
        return this
            .client
            .<VirtualMachineScaleSetExtensionInner, VirtualMachineScaleSetExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetExtensionInner.class,
                VirtualMachineScaleSetExtensionInner.class,
                this.client.getContext());
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionUpdate extensionParameters,
            Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            updateWithResponseAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context);
        return this
            .client
            .<VirtualMachineScaleSetExtensionInner, VirtualMachineScaleSetExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetExtensionInner.class,
                VirtualMachineScaleSetExtensionInner.class,
                context);
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionUpdate extensionParameters) {
        return this
            .beginUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters)
            .getSyncPoller();
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException 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 describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetExtensionInner>, VirtualMachineScaleSetExtensionInner>
        beginUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String vmssExtensionName,
            VirtualMachineScaleSetExtensionUpdate extensionParameters,
            Context context) {
        return this
            .beginUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context)
            .getSyncPoller();
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VirtualMachineScaleSetExtensionInner> updateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionUpdate extensionParameters) {
        return beginUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<VirtualMachineScaleSetExtensionInner> updateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionUpdate extensionParameters,
        Context context) {
        return beginUpdateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetExtensionInner update(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionUpdate extensionParameters) {
        return updateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters).block();
    }

    /**
     * The operation to update an extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be updated.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param extensionParameters Parameters supplied to the Update VM scale set Extension operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetExtensionInner update(
        String resourceGroupName,
        String vmScaleSetName,
        String vmssExtensionName,
        VirtualMachineScaleSetExtensionUpdate extensionParameters,
        Context context) {
        return updateAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, extensionParameters, context).block();
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<Flux<ByteBuffer>>> deleteWithResponseAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 apiVersion = "2023-03-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .delete(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            vmScaleSetName,
                            vmssExtensionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<Flux<ByteBuffer>>> deleteWithResponseAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 apiVersion = "2023-03-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .delete(
                this.client.getEndpoint(),
                resourceGroupName,
                vmScaleSetName,
                vmssExtensionName,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<Void>, Void> beginDeleteAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            deleteWithResponseAsync(resourceGroupName, vmScaleSetName, vmssExtensionName);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link PollerFlux} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<Void>, Void> beginDeleteAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName, Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            deleteWithResponseAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginDelete(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName) {
        return this.beginDeleteAsync(resourceGroupName, vmScaleSetName, vmssExtensionName).getSyncPoller();
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link SyncPoller} for polling of long-running operation.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<Void>, Void> beginDelete(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName, Context context) {
        return this.beginDeleteAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, context).getSyncPoller();
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Void> deleteAsync(String resourceGroupName, String vmScaleSetName, String vmssExtensionName) {
        return beginDeleteAsync(resourceGroupName, vmScaleSetName, vmssExtensionName)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return A {@link Mono} that completes when a successful response is received.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Void> deleteAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName, Context context) {
        return beginDeleteAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void delete(String resourceGroupName, String vmScaleSetName, String vmssExtensionName) {
        deleteAsync(resourceGroupName, vmScaleSetName, vmssExtensionName).block();
    }

    /**
     * The operation to delete the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set where the extension should be deleted.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public void delete(String resourceGroupName, String vmScaleSetName, String vmssExtensionName, Context context) {
        deleteAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, context).block();
    }

    /**
     * The operation to get the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param expand The expand expression to apply on the operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<VirtualMachineScaleSetExtensionInner>> getWithResponseAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName, String expand) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 apiVersion = "2023-03-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .get(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            vmScaleSetName,
                            vmssExtensionName,
                            expand,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to get the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param expand The expand expression to apply on the operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<VirtualMachineScaleSetExtensionInner>> getWithResponseAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName, String expand, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName is required and cannot be null."));
        }
        if (vmssExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmssExtensionName 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 apiVersion = "2023-03-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .get(
                this.client.getEndpoint(),
                resourceGroupName,
                vmScaleSetName,
                vmssExtensionName,
                expand,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * The operation to get the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VirtualMachineScaleSetExtensionInner> getAsync(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName) {
        final String expand = null;
        return getWithResponseAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, expand)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * The operation to get the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @param expand The expand expression to apply on the operation.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<VirtualMachineScaleSetExtensionInner> getWithResponse(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName, String expand, Context context) {
        return getWithResponseAsync(resourceGroupName, vmScaleSetName, vmssExtensionName, expand, context).block();
    }

    /**
     * The operation to get the extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param vmssExtensionName The name of the VM scale set extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return describes a Virtual Machine Scale Set Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetExtensionInner get(
        String resourceGroupName, String vmScaleSetName, String vmssExtensionName) {
        final String expand = null;
        return getWithResponse(resourceGroupName, vmScaleSetName, vmssExtensionName, expand, Context.NONE).getValue();
    }

    /**
     * Gets a list of all extensions in a VM scale set.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a list of all extensions in a VM scale set along with {@link PagedResponse} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<VirtualMachineScaleSetExtensionInner>> listSinglePageAsync(
        String resourceGroupName, String vmScaleSetName) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName 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 apiVersion = "2023-03-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service
                        .list(
                            this.client.getEndpoint(),
                            resourceGroupName,
                            vmScaleSetName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .<PagedResponse<VirtualMachineScaleSetExtensionInner>>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()));
    }

    /**
     * Gets a list of all extensions in a VM scale set.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a list of all extensions in a VM scale set along with {@link PagedResponse} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<VirtualMachineScaleSetExtensionInner>> listSinglePageAsync(
        String resourceGroupName, String vmScaleSetName, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceGroupName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null."));
        }
        if (vmScaleSetName == null) {
            return Mono.error(new IllegalArgumentException("Parameter vmScaleSetName 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 apiVersion = "2023-03-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .list(
                this.client.getEndpoint(),
                resourceGroupName,
                vmScaleSetName,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(),
                        res.getStatusCode(),
                        res.getHeaders(),
                        res.getValue().value(),
                        res.getValue().nextLink(),
                        null));
    }

    /**
     * Gets a list of all extensions in a VM scale set.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a list of all extensions in a VM scale set as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<VirtualMachineScaleSetExtensionInner> listAsync(String resourceGroupName, String vmScaleSetName) {
        return new PagedFlux<>(
            () -> listSinglePageAsync(resourceGroupName, vmScaleSetName),
            nextLink -> listNextSinglePageAsync(nextLink));
    }

    /**
     * Gets a list of all extensions in a VM scale set.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a list of all extensions in a VM scale set as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<VirtualMachineScaleSetExtensionInner> listAsync(
        String resourceGroupName, String vmScaleSetName, Context context) {
        return new PagedFlux<>(
            () -> listSinglePageAsync(resourceGroupName, vmScaleSetName, context),
            nextLink -> listNextSinglePageAsync(nextLink, context));
    }

    /**
     * Gets a list of all extensions in a VM scale set.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a list of all extensions in a VM scale set as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<VirtualMachineScaleSetExtensionInner> list(String resourceGroupName, String vmScaleSetName) {
        return new PagedIterable<>(listAsync(resourceGroupName, vmScaleSetName));
    }

    /**
     * Gets a list of all extensions in a VM scale set.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set containing the extension.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ApiErrorException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return a list of all extensions in a VM scale set as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<VirtualMachineScaleSetExtensionInner> list(
        String resourceGroupName, String vmScaleSetName, Context context) {
        return new PagedIterable<>(listAsync(resourceGroupName, vmScaleSetName, context));
    }

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

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