@classmethod
def from_4d(cls, model, pak_name, m4ds):
    'construct an MfList instance from a dict of\n        (attribute_name,masked 4D ndarray\n        Parameters\n        ----------\n            model : mbase derived type\n            pak_name : str package name (e.g GHB)\n            m4ds : {attribute name:4d masked numpy.ndarray}\n        Returns\n        -------\n            MfList instance\n        '
    sp_data = MfList.masked4D_arrays_to_stress_period_data(model.get_package(pak_name).get_default_dtype(), m4ds)
    return cls(model.get_package(pak_name), data=sp_data)
construct an MfList instance from a dict of
(attribute_name,masked 4D ndarray
Parameters
----------
    model : mbase derived type
    pak_name : str package name (e.g GHB)
    m4ds : {attribute name:4d masked numpy.ndarray}
Returns
-------
    MfList instance
@classmethod
def from_4d(cls, model, pak_name, m4ds):
    'construct an MfList instance from a dict of\n        (attribute_name,masked 4D ndarray\n        Parameters\n        ----------\n            model : mbase derived type\n            pak_name : str package name (e.g GHB)\n            m4ds : {attribute name:4d masked numpy.ndarray}\n        Returns\n        -------\n            MfList instance\n        '
    sp_data = MfList.masked4D_arrays_to_stress_period_data(model.get_package(pak_name).get_default_dtype(), m4ds)
    return cls(model.get_package(pak_name), data=sp_data)