You can search for identifiers within the package.
in-package search v0.2.0
ezjs_push
Ezjs_push.pushMessageData
method arrayBuffer : Js_of_ocaml.Typed_array.arrayBuffer Js_of_ocaml.Js.meth
method json : Js_of_ocaml.Js.json Js_of_ocaml.Js.t Js_of_ocaml.Js.meth
method text : Js_of_ocaml.Js.js_string Js_of_ocaml.Js.t Js_of_ocaml.Js.meth