You can search for identifiers within the package.
in-package search v0.2.0
ecaml.ecaml_value
Ecaml_value.Feature
type t = Symbol.t
val require : t -> unit
(describe-function 'require). require has its own OCaml-side table that avoids repeated calls to Elisp's require on the same symbol.
(describe-function 'require)
require