You can search for identifiers within the package.
in-package search v0.2.0
type fp12
val allocate_fq12 : unit -> fp12
val mul : fp12 -> fp12 -> fp12 -> unit
val one : fp12 -> unit
val equal : fp12 -> fp12 -> bool
val is_one : fp12 -> bool
val inverse : fp12 -> fp12 -> unit
val sqr : fp12 -> fp12 -> unit
val to_bytes : Bytes.t -> fp12 -> unit
val of_bytes : fp12 -> Bytes.t -> unit