You can search for identifiers within the package.
in-package search v0.2.0
catala.surface
Parser.Make
module Localisation : sig ... end
type token = Tokens.token
exception Error
val source_file : (Lexing.lexbuf -> token) -> Lexing.lexbuf -> Ast.law_structure list
module MenhirInterpreter : sig ... end
module Incremental : sig ... end