You can search for identifiers within the package.
in-package search v0.2.0
ocamlformat.rpc
Protocol.V2
type t = [
| `Error of string
| `Format of string * Ocamlformat_rpc_lib_protocol__Protocol.format_args
| `Halt
| `Unknown
]
val read_input : IO.ic -> t IO.t
val output : IO.oc -> t -> unit IO.t