You can search for identifiers within the package.
in-package search v0.2.0
module Buf = Buf
module Dig = Dig
module Loader = Loader
module Name = Name
module Operators = Operators
module Packet = Packet
module Probe = Probe
module Protocol = Protocol
module Query = Query
module RR = RR
module Resolvconf = Resolvconf
module Trie = Trie
module Zone = Zone
module Zone_lexer = Zone_lexer
module Zone_parser = Zone_parser