You can search for identifiers within the package.
in-package search v0.2.0
import.ml
1 2 3 4 5 open! Core module Time_ns = Time_ns_unix include Int.Replace_polymorphic_compare let sec = Time_ns.Span.of_sec
1 2 3 4 5
open! Core module Time_ns = Time_ns_unix include Int.Replace_polymorphic_compare let sec = Time_ns.Span.of_sec