text: # -*- coding: utf-8 -*-
  
  """Data structures for OBO."""
  
  from .reference import Reference  # noqa: F401
  from .struct import Obo, Synonym, SynonymTypeDef, Term  # noqa: F401
  from .typedef import (  # noqa: F401
      RelationHint,
      TypeDef,
      from_species,
      gene_product_member_of,
      get_reference_tuple,
      has_gene_product,
      has_member,
      has_part,
      is_a,
      member_of,
      orthologous,
      part_of,
      species_specific,
      superclass_of,
      transcribes_to,
      translates_to,
  )
  