code: @Override
      public GetBlobResult getBlob(GetBlobRequest request) {
          request = beforeClientExecution(request);
          return executeGetBlob(request);
      }
docs: <p>
  Returns the base-64 encoded content of an individual blob within a repository.
  </p>
  
  @param getBlobRequest
  Represents the input of a get blob operation.
  @return Result of the GetBlob operation returned by the service.
  @throws RepositoryNameRequiredException
  A repository name is required but was not specified.
  @throws InvalidRepositoryNameException
  At least one specified repository name is not valid.</p> <note>
  <p>
  This exception only occurs when a specified repository name is not valid. Other exceptions occur when a
  required repository parameter is missing, or when a specified repository does not exist.
  </p>
  @throws RepositoryDoesNotExistException
  The specified repository does not exist.
  @throws BlobIdRequiredException
  A blob ID is required but was not specified.
  @throws InvalidBlobIdException
  The specified blob is not valid.
  @throws BlobIdDoesNotExistException
  The specified blob does not exist.
  @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.
  @throws FileTooLargeException
  The specified file exceeds the file size limit for AWS CodeCommit. For more information about limits in
  AWS CodeCommit, see <a href="http://docs.aws.amazon.com/codecommit/latest/userguide/limits.html">AWS
  CodeCommit User Guide</a>.
  @sample AWSCodeCommit.GetBlob
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/codecommit-2015-04-13/GetBlob" target="_top">AWS API
  Documentation</a>