code: @Override
      public DeleteSourceCredentialsResult deleteSourceCredentials(DeleteSourceCredentialsRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteSourceCredentials(request);
      }
docs: <p>
  Deletes a set of GitHub, GitHub Enterprise, or Bitbucket source credentials.
  </p>
  
  @param deleteSourceCredentialsRequest
  @return Result of the DeleteSourceCredentials operation returned by the service.
  @throws InvalidInputException
  The input value that was provided is not valid.
  @throws ResourceNotFoundException
  The specified AWS resource cannot be found.
  @sample AWSCodeBuild.DeleteSourceCredentials
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/codebuild-2016-10-06/DeleteSourceCredentials"
  target="_top">AWS API Documentation</a>