code: @Override
      public UpdatePullRequestStatusResult updatePullRequestStatus(UpdatePullRequestStatusRequest request) {
          request = beforeClientExecution(request);
          return executeUpdatePullRequestStatus(request);
      }
docs: <p>
  Updates the status of a pull request.
  </p>
  
  @param updatePullRequestStatusRequest
  @return Result of the UpdatePullRequestStatus operation returned by the service.
  @throws PullRequestDoesNotExistException
  The pull request ID could not be found. Make sure that you have specified the correct repository name and
  pull request ID, and then try again.
  @throws InvalidPullRequestIdException
  The pull request ID is not valid. Make sure that you have provided the full ID and that the pull request
  is in the specified repository, and then try again.
  @throws PullRequestIdRequiredException
  A pull request ID is required, but none was provided.
  @throws InvalidPullRequestStatusUpdateException
  The pull request status update is not valid. The only valid update is from <code>OPEN</code> to
  <code>CLOSED</code>.
  @throws InvalidPullRequestStatusException
  The pull request status is not valid. The only valid values are <code>OPEN</code> and <code>CLOSED</code>
  .
  @throws PullRequestStatusRequiredException
  A pull request status is required, but none was provided.
  @throws EncryptionIntegrityChecksFailedException
  An encryption integrity check failed.
  @throws EncryptionKeyAccessDeniedException
  An encryption key could not be accessed.
  @throws EncryptionKeyDisabledException
  The encryption key is disabled.
  @throws EncryptionKeyNotFoundException
  No encryption key was found.
  @throws EncryptionKeyUnavailableException
  The encryption key is not available.
  @sample AWSCodeCommit.UpdatePullRequestStatus
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/codecommit-2015-04-13/UpdatePullRequestStatus"
  target="_top">AWS API Documentation</a>