You can search for identifiers within the package.
in-package search v0.2.0
module RANDOM : Mirage_random.S
module TIME : Mirage_time.S
module MCLOCK : Mirage_clock.MCLOCK
module PCLOCK : Mirage_clock.PCLOCK
module STACK : Tcpip.Stack.V4V6
val connect : STACK.t -> (module Pgx_lwt.S)