Make_no_arg.Operation
include Operation.S with type request = unit
val request_to_yojson : request -> Yojson.Safe.t
val sexp_of_request : request -> Sexplib0.Sexp.t
val request_of_sexp : Sexplib0.Sexp.t -> request
val response_of_yojson :
Yojson.Safe.t ->
response Ppx_deriving_yojson_runtime.error_or
val sexp_of_response : response -> Sexplib0.Sexp.t
val response_of_sexp : Sexplib0.Sexp.t -> response