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