registry: dict

@classmethod
register(cls, type, typename=None): 

@classmethod
get_dispatch(cls) -> 'dev.OptionsMethodDispatch': 

@classmethod
resolve(cls, input): 

@classmethod
could_be(cls, input): 

equivalent_to(self, other): 

__eq__(self, other): 

canonicalize(self): 

get_indices(self) -> 'Tuple[int, ...]': 

__hash__(self): 

reindex(self, reindexing): 

get_carried_atoms(self, context: 'InternalSpec'): 

get_constraint_rads(self) -> 'list[Distance | Angle | Dihedral]': 

get_expansion(self, coords, order=None, **opts) -> 'List[np.ndarray]': 

get_inverse_expansion(self, coords, order=None, moved_indices=None, **opts) -> 'List[np.ndarray]':