@classmethod
def describeErrors(cls):
    """
        Returns: A list of dictionaries, each describing possible errors thrown by
        this transform, in the following format:
                [{"type": "<type of error>",
                 "description": "<description of error>"}]
        Raises: NotImplementedError if not implemented by Transform
        """
    raise NotImplementedError(
        'describeErrors method not implemented for Transform {}'.format(cls
        .__name__))
