1. cats
   1. cats.free
      1. (object)(case class)Cofree
      2. (object)(class)ContravariantCoyoneda
      3. (object)(class)Coyoneda
      4. (object)(class)Free
      5. (object)(class)FreeApplicative
      6. (object)(class)FreeInvariantMonoidal
      7. (object)(class)FreeT
      8. (object)
         Trampoline
      9. (object)(class)Yoneda