val dune_dir_locations_env_var : stringval dune_ocaml_stdlib_env_var : stringval dune_ocaml_hardcoded_env_var : stringval dune_sourceroot_env_var : stringtype entry = {package : string;section : Dune_section.t;dir : string;
}val decode_dune_dir_locations : string -> entry list optionval encode_dune_dir_locations : entry list -> string