open Import val gen : context:Context.t -> file_tree:File_tree.t -> tree:Alias.tree -> stanzas:(Path.t * Jbuild_types.Stanza.t list) list -> packages:Package.t String_map.t -> ?filter_out_optional_stanzas_with_missing_deps:bool (** default: true *) -> unit -> Build_interpret.Rule.t list