# Module Migrate_parsetree_versions.OCaml_version.Ast

    module Ast: Migrate_parsetree_versions.Ast

Ast definition for this version

    module Parsetree: sig .. end

    module Outcometree: sig .. end

    module Ast_mapper: sig .. end

    module Config: sig .. end

    val shallow_identity : Ast_mapper.mapper

    val map_signature : Ast_mapper.mapper ->
           Parsetree.signature ->
           Parsetree.signature

    val map_structure : Ast_mapper.mapper ->
           Parsetree.structure ->
           Parsetree.structure

    val make_top_mapper : signature:(Parsetree.signature ->
                      Parsetree.signature) ->
           structure:(Parsetree.structure ->
                      Parsetree.structure) ->
           Ast_mapper.mapper