module Encoder:sig..end
val w_left : (MrMime_msgID.local,
        ([> `Partial of Bytes.t * int * int * (int -> 'a) ] as 'a) Encoder.partial)
       Wrap.k1
val w_right : (MrMime_msgID.domain,
        ([> `Partial of Bytes.t * int * int * (int -> 'a) ] as 'a) Encoder.partial)
       Wrap.k1
val w_msg_id : (MrMime_msgID.msg_id,
        ([> `Partial of Bytes.t * int * int * (int -> 'a) ] as 'a) Encoder.partial)
       Wrap.k1