code: @Override
      public DeleteDirectoryConfigResult deleteDirectoryConfig(DeleteDirectoryConfigRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteDirectoryConfig(request);
      }
docs: <p>
  Deletes the specified Directory Config object from AppStream 2.0. This object includes the information required
  to join streaming instances to an Active Directory domain.
  </p>
  
  @param deleteDirectoryConfigRequest
  @return Result of the DeleteDirectoryConfig operation returned by the service.
  @throws ResourceInUseException
  The specified resource is in use.
  @throws ResourceNotFoundException
  The specified resource was not found.
  @sample AmazonAppStream.DeleteDirectoryConfig
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/appstream-2016-12-01/DeleteDirectoryConfig"
  target="_top">AWS API Documentation</a>