/// <summary>
 /// Updates a BackupVault resource belonging to a resource group. For example,
 /// updating tags for a resource.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='vaultName'>
 /// The name of the backup vault.
 /// </param>
 /// <param name='resourceGroupName'>
 /// The name of the resource group where the backup vault is present.
 /// </param>
 /// <param name='parameters'>
 /// Request body for operation
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <BackupVaultResource> BeginUpdateAsync(this IBackupVaultsOperations operations, string vaultName, string resourceGroupName, PatchResourceRequestInput parameters, CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.BeginUpdateWithHttpMessagesAsync(vaultName, resourceGroupName, parameters, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }