/// <summary>
 /// Deallocates specific virtual machines in a VM scale set. Shuts down the
 /// virtual machines and releases the compute resources. You are not billed for
 /// the compute resources that this virtual machine scale set deallocates.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// The name of the resource group.
 /// </param>
 /// <param name='vmScaleSetName'>
 /// The name of the VM scale set.
 /// </param>
 /// <param name='instanceIds'>
 /// The virtual machine scale set instance ids. Omitting the virtual machine
 /// scale set instance ids will result in the operation being performed on all
 /// virtual machines in the virtual machine scale set.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <OperationStatusResponseInner> BeginDeallocateAsync(this IVirtualMachineScaleSetsOperations operations, string resourceGroupName, string vmScaleSetName, IList <string> instanceIds = default(IList <string>), CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.BeginDeallocateWithHttpMessagesAsync(resourceGroupName, vmScaleSetName, instanceIds, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }
 /// <summary>
 /// Deallocates specific virtual machines in a VM scale set. Shuts down the
 /// virtual machines and releases the compute resources. You are not billed for
 /// the compute resources that this virtual machine scale set deallocates.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// The name of the resource group.
 /// </param>
 /// <param name='vmScaleSetName'>
 /// The name of the VM scale set.
 /// </param>
 /// <param name='instanceIds'>
 /// The virtual machine scale set instance ids. Omitting the virtual machine
 /// scale set instance ids will result in the operation being performed on all
 /// virtual machines in the virtual machine scale set.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task BeginDeallocateAsync(this IVirtualMachineScaleSetsOperations operations, string resourceGroupName, string vmScaleSetName, IList <string> instanceIds = default(IList <string>), CancellationToken cancellationToken = default(CancellationToken))
 {
     (await operations.BeginDeallocateWithHttpMessagesAsync(resourceGroupName, vmScaleSetName, instanceIds, null, cancellationToken).ConfigureAwait(false)).Dispose();
 }