@classmethod
def get_integration_smearing_method(cls, calc, **kwargs):
    """Return the smearing method name as string."""
    smearing = cls._get_raw_integration_smearing_method(calc, **kwargs)
    if smearing is None:
        return None
    if smearing in cls._smearing_aliases:
        return cls._smearing_aliases[smearing]
    return 'other'
