def METHOD_NAME(self) -> str:
    """Name of the evaluator.
    A name is required by all evaluators because it is used as the top-level key
    in the results returned by a
    :class:`citrine.informatics.workflows.PredictorEvaluationWorkflow`.
    As such, the names of all evaluators within a single workflow must be unique.
    """
    raise NotImplementedError  # pragma: no cover