Ast_tdcls (melange.Melange_ppx_lib.Ast

let handleTdclsInSigi: 
  Melange_compiler_libs.Ast_mapper.mapper =>
  Melange_compiler_libs.Parsetree.signature_item =>
  Asttypes.rec_flag =>
  list(Melange_compiler_libs.Parsetree.type_declaration) =>
  Ast_signature.item;

let handleTdclsInStru: 
  Melange_compiler_libs.Ast_mapper.mapper =>
  Melange_compiler_libs.Parsetree.structure_item =>
  Asttypes.rec_flag =>
  list(Melange_compiler_libs.Parsetree.type_declaration) =>
  Ast_structure.item;