You can search for identifiers within the package.
in-package search v0.2.0
ppx_python.runtime
Ppx_python_runtime.Dict_str_keys
type t = Pytypes.pyobject
val create : (string * Pytypes.pyobject) list -> t
val set : t -> string -> Pytypes.pyobject -> unit
val find : t -> string -> Pytypes.pyobject
val fail_on_extra_fields : t -> expected_field_names:string list -> unit