jsonschema
Jsonschema.Loader
type url_loader = string -> (Yojson.Basic.t, exn) result
val file_loader : url_loader
type scheme_url_loader
val create_scheme_loader : unit -> scheme_url_loader
val register_scheme : scheme_url_loader -> string -> url_loader -> unit
val to_url_loader : scheme_url_loader -> url_loader