ComponentGroupKind

"""Component group classification"""
enum ComponentGroupKind {
  """Gathered and sewn/bound text signatures"""
  TEXT_BLOCK
  """Rigid case components: boards, turn-in material"""
  CASE
  """Endpapers and pastedowns"""
  ENDPAPER
  """Bound-in inserts, tip-ins, gatefolds"""
  INSERT
  """Other structural grouping"""
  OTHER
}