`val copy_structure : Js.Ast.Parsetree.structure ‑> Ocaml.Ast.Parsetree.structure`
`val copy_signature : Js.Ast.Parsetree.signature ‑> Ocaml.Ast.Parsetree.signature`
`val copy_toplevel_phrase : Js.Ast.Parsetree.toplevel_phrase ‑> Ocaml.Ast.Parsetree.toplevel_phrase`
`val copy_core_type : Js.Ast.Parsetree.core_type ‑> Ocaml.Ast.Parsetree.core_type`
`val copy_expression : Js.Ast.Parsetree.expression ‑> Ocaml.Ast.Parsetree.expression`
`val copy_pattern : Js.Ast.Parsetree.pattern ‑> Ocaml.Ast.Parsetree.pattern`
`val copy_case : Js.Ast.Parsetree.case ‑> Ocaml.Ast.Parsetree.case`
`val copy_type_declaration : Js.Ast.Parsetree.type_declaration ‑> Ocaml.Ast.Parsetree.type_declaration`
`val copy_type_extension : Js.Ast.Parsetree.type_extension ‑> Ocaml.Ast.Parsetree.type_extension`
`val copy_extension_constructor : Js.Ast.Parsetree.extension_constructor ‑> Ocaml.Ast.Parsetree.extension_constructor`
`val copy_out_value : Js.Ast.Outcometree.out_value ‑> Ocaml.Ast.Outcometree.out_value`
`val copy_out_type : Js.Ast.Outcometree.out_type ‑> Ocaml.Ast.Outcometree.out_type`
`val copy_out_class_type : Js.Ast.Outcometree.out_class_type ‑> Ocaml.Ast.Outcometree.out_class_type`
`val copy_out_module_type : Js.Ast.Outcometree.out_module_type ‑> Ocaml.Ast.Outcometree.out_module_type`
`val copy_out_sig_item : Js.Ast.Outcometree.out_sig_item ‑> Ocaml.Ast.Outcometree.out_sig_item`
`val copy_out_type_extension : Js.Ast.Outcometree.out_type_extension ‑> Ocaml.Ast.Outcometree.out_type_extension`
`val copy_out_phrase : Js.Ast.Outcometree.out_phrase ‑> Ocaml.Ast.Outcometree.out_phrase`
`val copy_mapper : Js.Ast.Ast_mapper.mapper ‑> Ocaml.Ast.Ast_mapper.mapper`