ResetStream.Requestval has_stream_id : t -> boolval stream_id_get : t -> StreamId.tval stream_id_set_reader : t -> StreamId.struct_t reader_t -> StreamId.tval stream_id_set_builder : t -> StreamId.t -> StreamId.tval stream_id_init : t -> StreamId.tval init_root : ?message_size:int -> unit -> t