text: """GMSO: General Molecular Simulation Object."""
  from .core.angle import Angle
  from .core.angle_type import AngleType
  from .core.atom import Atom
  from .core.atom_type import AtomType
  from .core.bond import Bond
  from .core.bond_type import BondType
  from .core.box import Box
  from .core.dihedral import Dihedral
  from .core.dihedral_type import DihedralType
  from .core.element import Element
  from .core.forcefield import ForceField
  from .core.improper import Improper
  from .core.improper_type import ImproperType
  from .core.pairpotential_type import PairPotentialType
  from .core.subtopology import SubTopology
  from .core.topology import Topology
  
  __version__ = "0.6.0"
  