You can search for identifiers within the package.
in-package search v0.2.0
riot
Riot.Telemetry
include Application.Intf
val name : string
val start : unit -> (Pid.t, [> `Application_error of string | `Supervisor_error ] as 'err) result
type event = Telemetry.event = ..
val emit : event -> unit
val attach : (event -> unit) -> unit