def METHOD_NAME(self, instance: Environment) -> bool:
    """
    To avoid breaking the API, we return this field as well.
    Warning: this will still mean that sending the `use_mv_v2_evaluation` field
    (e.g. in a PUT request) will not behave as expected but, since this is a minor
    issue, I think we can ignore.
    """
    return instance.use_identity_composite_key_for_hashing