You can search for identifiers within the package.
in-package search v0.2.0
pgx
Pgx.Error_response
type t
include Ppx_sexp_conv_lib.Sexpable.S with type t := t
val t_of_sexp : Sexplib0.Sexp.t -> t
val sexp_of_t : t -> Sexplib0.Sexp.t