// 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.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.VirtualMachineScaleSetVMExtensionsClient;
import com.azure.resourcemanager.compute.fluent.models.VirtualMachineScaleSetVMExtensionInner;
import com.azure.resourcemanager.compute.fluent.models.VirtualMachineScaleSetVMExtensionsListResultInner;
import com.azure.resourcemanager.compute.models.ApiErrorException;
import com.azure.resourcemanager.compute.models.VirtualMachineScaleSetVMExtensionUpdate;
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 VirtualMachineScaleSetVMExtensionsClient.
 */
public final class VirtualMachineScaleSetVMExtensionsClientImpl implements VirtualMachineScaleSetVMExtensionsClient {
    /** The proxy service used to perform REST calls. */
    private final VirtualMachineScaleSetVMExtensionsService service;

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

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

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

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

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

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM 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 instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionInner 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                            instanceId,
                            vmExtensionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            extensionParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM 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 instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionInner 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                instanceId,
                vmExtensionName,
                apiVersion,
                this.client.getSubscriptionId(),
                extensionParameters,
                accept,
                context);
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionInner extensionParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters);
        return this
            .client
            .<VirtualMachineScaleSetVMExtensionInner, VirtualMachineScaleSetVMExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetVMExtensionInner.class,
                VirtualMachineScaleSetVMExtensionInner.class,
                this.client.getContext());
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginCreateOrUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionInner extensionParameters,
            Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            createOrUpdateWithResponseAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context);
        return this
            .client
            .<VirtualMachineScaleSetVMExtensionInner, VirtualMachineScaleSetVMExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetVMExtensionInner.class,
                VirtualMachineScaleSetVMExtensionInner.class,
                context);
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginCreateOrUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionInner extensionParameters) {
        return this
            .beginCreateOrUpdateAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters)
            .getSyncPoller();
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginCreateOrUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionInner extensionParameters,
            Context context) {
        return this
            .beginCreateOrUpdateAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context)
            .getSyncPoller();
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VirtualMachineScaleSetVMExtensionInner> createOrUpdateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionInner extensionParameters) {
        return beginCreateOrUpdateAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<VirtualMachineScaleSetVMExtensionInner> createOrUpdateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionInner extensionParameters,
        Context context) {
        return beginCreateOrUpdateAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetVMExtensionInner createOrUpdate(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionInner extensionParameters) {
        return createOrUpdateAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters)
            .block();
    }

    /**
     * The operation to create or update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Create Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetVMExtensionInner createOrUpdate(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionInner extensionParameters,
        Context context) {
        return createOrUpdateAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context)
            .block();
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM 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 instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionUpdate 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                            instanceId,
                            vmExtensionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            extensionParameters,
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM 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 instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionUpdate 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                instanceId,
                vmExtensionName,
                apiVersion,
                this.client.getSubscriptionId(),
                extensionParameters,
                accept,
                context);
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public PollerFlux<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionUpdate extensionParameters) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            updateWithResponseAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters);
        return this
            .client
            .<VirtualMachineScaleSetVMExtensionInner, VirtualMachineScaleSetVMExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetVMExtensionInner.class,
                VirtualMachineScaleSetVMExtensionInner.class,
                this.client.getContext());
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    private PollerFlux<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginUpdateAsync(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionUpdate extensionParameters,
            Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            updateWithResponseAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context);
        return this
            .client
            .<VirtualMachineScaleSetVMExtensionInner, VirtualMachineScaleSetVMExtensionInner>getLroResult(
                mono,
                this.client.getHttpPipeline(),
                VirtualMachineScaleSetVMExtensionInner.class,
                VirtualMachineScaleSetVMExtensionInner.class,
                context);
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionUpdate extensionParameters) {
        return this
            .beginUpdateAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters)
            .getSyncPoller();
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.LONG_RUNNING_OPERATION)
    public SyncPoller<PollResult<VirtualMachineScaleSetVMExtensionInner>, VirtualMachineScaleSetVMExtensionInner>
        beginUpdate(
            String resourceGroupName,
            String vmScaleSetName,
            String instanceId,
            String vmExtensionName,
            VirtualMachineScaleSetVMExtensionUpdate extensionParameters,
            Context context) {
        return this
            .beginUpdateAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context)
            .getSyncPoller();
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VirtualMachineScaleSetVMExtensionInner> updateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionUpdate extensionParameters) {
        return beginUpdateAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<VirtualMachineScaleSetVMExtensionInner> updateAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionUpdate extensionParameters,
        Context context) {
        return beginUpdateAsync(
                resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetVMExtensionInner update(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionUpdate extensionParameters) {
        return updateAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters).block();
    }

    /**
     * The operation to update the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine extension.
     * @param extensionParameters Parameters supplied to the Update Virtual Machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetVMExtensionInner update(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        VirtualMachineScaleSetVMExtensionUpdate extensionParameters,
        Context context) {
        return updateAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, extensionParameters, context)
            .block();
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName) {
        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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                            instanceId,
                            vmExtensionName,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName, 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                instanceId,
                vmExtensionName,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName) {
        Mono<Response<Flux<ByteBuffer>>> mono =
            deleteWithResponseAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName);
        return this
            .client
            .<Void, Void>getLroResult(
                mono, this.client.getHttpPipeline(), Void.class, Void.class, this.client.getContext());
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName, Context context) {
        context = this.client.mergeContext(context);
        Mono<Response<Flux<ByteBuffer>>> mono =
            deleteWithResponseAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, context);
        return this
            .client
            .<Void, Void>getLroResult(mono, this.client.getHttpPipeline(), Void.class, Void.class, context);
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName) {
        return this.beginDeleteAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName).getSyncPoller();
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName, Context context) {
        return this
            .beginDeleteAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, context)
            .getSyncPoller();
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName) {
        return beginDeleteAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName, Context context) {
        return beginDeleteAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, context)
            .last()
            .flatMap(this.client::getLroFinalResultOrError);
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName) {
        deleteAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName).block();
    }

    /**
     * The operation to delete the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 instanceId, String vmExtensionName, Context context) {
        deleteAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, context).block();
    }

    /**
     * The operation to get the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 VMSS VM Extension along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<VirtualMachineScaleSetVMExtensionInner>> getWithResponseAsync(
        String resourceGroupName, String vmScaleSetName, String instanceId, String vmExtensionName, 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                            instanceId,
                            vmExtensionName,
                            expand,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to get the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 VMSS VM Extension along with {@link Response} on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<VirtualMachineScaleSetVMExtensionInner>> getWithResponseAsync(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId is required and cannot be null."));
        }
        if (vmExtensionName == null) {
            return Mono
                .error(new IllegalArgumentException("Parameter vmExtensionName 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,
                instanceId,
                vmExtensionName,
                expand,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * The operation to get the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 VMSS VM Extension on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VirtualMachineScaleSetVMExtensionInner> getAsync(
        String resourceGroupName, String vmScaleSetName, String instanceId, String vmExtensionName) {
        final String expand = null;
        return getWithResponseAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, expand)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * The operation to get the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 VMSS VM Extension along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<VirtualMachineScaleSetVMExtensionInner> getWithResponse(
        String resourceGroupName,
        String vmScaleSetName,
        String instanceId,
        String vmExtensionName,
        String expand,
        Context context) {
        return getWithResponseAsync(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, expand, context)
            .block();
    }

    /**
     * The operation to get the VMSS VM extension.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @param vmExtensionName The name of the virtual machine 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 VMSS VM Extension.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetVMExtensionInner get(
        String resourceGroupName, String vmScaleSetName, String instanceId, String vmExtensionName) {
        final String expand = null;
        return getWithResponse(resourceGroupName, vmScaleSetName, instanceId, vmExtensionName, expand, Context.NONE)
            .getValue();
    }

    /**
     * The operation to get all extensions of an instance in Virtual Machine Scaleset.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @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 the List VMSS VM Extension operation response along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<Response<VirtualMachineScaleSetVMExtensionsListResultInner>> listWithResponseAsync(
        String resourceGroupName, String vmScaleSetName, String instanceId, 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId 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,
                            instanceId,
                            expand,
                            apiVersion,
                            this.client.getSubscriptionId(),
                            accept,
                            context))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * The operation to get all extensions of an instance in Virtual Machine Scaleset.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @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 the List VMSS VM Extension operation response along with {@link Response} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<Response<VirtualMachineScaleSetVMExtensionsListResultInner>> listWithResponseAsync(
        String resourceGroupName, String vmScaleSetName, String instanceId, 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 (instanceId == null) {
            return Mono.error(new IllegalArgumentException("Parameter instanceId 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,
                instanceId,
                expand,
                apiVersion,
                this.client.getSubscriptionId(),
                accept,
                context);
    }

    /**
     * The operation to get all extensions of an instance in Virtual Machine Scaleset.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @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 VMSS VM Extension operation response on successful completion of {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Mono<VirtualMachineScaleSetVMExtensionsListResultInner> listAsync(
        String resourceGroupName, String vmScaleSetName, String instanceId) {
        final String expand = null;
        return listWithResponseAsync(resourceGroupName, vmScaleSetName, instanceId, expand)
            .flatMap(res -> Mono.justOrEmpty(res.getValue()));
    }

    /**
     * The operation to get all extensions of an instance in Virtual Machine Scaleset.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @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 the List VMSS VM Extension operation response along with {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<VirtualMachineScaleSetVMExtensionsListResultInner> listWithResponse(
        String resourceGroupName, String vmScaleSetName, String instanceId, String expand, Context context) {
        return listWithResponseAsync(resourceGroupName, vmScaleSetName, instanceId, expand, context).block();
    }

    /**
     * The operation to get all extensions of an instance in Virtual Machine Scaleset.
     *
     * @param resourceGroupName The name of the resource group.
     * @param vmScaleSetName The name of the VM scale set.
     * @param instanceId The instance ID of the virtual machine.
     * @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 VMSS VM Extension operation response.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public VirtualMachineScaleSetVMExtensionsListResultInner list(
        String resourceGroupName, String vmScaleSetName, String instanceId) {
        final String expand = null;
        return listWithResponse(resourceGroupName, vmScaleSetName, instanceId, expand, Context.NONE).getValue();
    }
}
