code: @Override
      public DeleteDirectConnectGatewayAssociationResult deleteDirectConnectGatewayAssociation(DeleteDirectConnectGatewayAssociationRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteDirectConnectGatewayAssociation(request);
      }
docs: <p>
  Deletes the association between the specified Direct Connect gateway and virtual private gateway.
  </p>
  
  @param deleteDirectConnectGatewayAssociationRequest
  @return Result of the DeleteDirectConnectGatewayAssociation operation returned by the service.
  @throws DirectConnectServerException
  A server-side error occurred.
  @throws DirectConnectClientException
  One or more parameters are not valid.
  @sample AmazonDirectConnect.DeleteDirectConnectGatewayAssociation
  @see <a
  href="http://docs.aws.amazon.com/goto/WebAPI/directconnect-2012-10-25/DeleteDirectConnectGatewayAssociation"
  target="_top">AWS API Documentation</a>