Envelope.Incomingval to_yojson : ( 'a -> Yojson.Safe.t ) -> 'a t -> Yojson.Safe.tval of_yojson :
( Yojson.Safe.t -> 'a Ppx_deriving_yojson_runtime.error_or ) ->
Yojson.Safe.t ->
'a t Ppx_deriving_yojson_runtime.error_orval data : 'a t -> 'aval received_at : 'a t -> Core.Time.tval local : 'a -> 'a tval gen : 'a Core.Quickcheck.Generator.t -> 'a t Core.Quickcheck.Generator.t