You can search for identifiers within the package.
in-package search v0.2.0
ocamlformat-lib.odoc_parser
Ocamlformat_odoc_parser.Lexer
type input = {
file : string;
offset_to_location : int -> Loc.point;
warnings : Warning.t list ref;
lexbuf : Lexing.lexbuf;
}
val token : input -> Lexing.lexbuf -> Token.t Loc.with_location