py:class pluginplay.ModuleManager
py:class pluginplay.PropertyType
py:class chemist.ChemicalSystem

py:class Varies depending on the requested property

py:class qcelemental.models.Molecule
py:class qcelemental.models.v2.Molecule
py:class qcelemental.models.v2.BasisSet
py:class chemist.basis_set.AOBasisSetD

py:obj QCEngineEnergy
py:obj pluginplay.PythonOnlyPropertyType
