`type t````=`

`|` `New_single of New_single.Unpacked.t`
`|` `New_group of New_group.Unpacked.t`
`|` `New_group_point of New_group_point.Unpacked.t`
`|` `End_of_header of End_of_header.Unpacked.t`
`|` `Epoch of Epoch.Unpacked.t`

``
`include sig ... end`
`val t_of_sexp : Base.Sexp.t ‑> t`
`val sexp_of_t : t ‑> Base.Sexp.t`
`val num_bytes : t ‑> int`
`val write : t ‑> (Core.read_write, _) Core.Iobuf.t ‑> int`