code: @Override
      public ListAssociationVersionsResult listAssociationVersions(ListAssociationVersionsRequest request) {
          request = beforeClientExecution(request);
          return executeListAssociationVersions(request);
      }
docs: <p>
  Retrieves all versions of an association for a specific association ID.
  </p>
  
  @param listAssociationVersionsRequest
  @return Result of the ListAssociationVersions operation returned by the service.
  @throws InternalServerErrorException
  An error occurred on the server side.
  @throws InvalidNextTokenException
  The specified token is not valid.
  @throws AssociationDoesNotExistException
  The specified association does not exist.
  @sample AWSSimpleSystemsManagement.ListAssociationVersions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ssm-2014-11-06/ListAssociationVersions" target="_top">AWS
  API Documentation</a>