include sig ... endval sexp_of_t : ('rw ‑> Base.Sexp.t) ‑> ('seek ‑> Base.Sexp.t) ‑> ('rw, 'seek) t ‑> Base.Sexp.tval to_string_hum : ?max_lines:int ‑> (_, _) t ‑> stringval to_sequence : ?max_lines:int ‑> (_, _) t ‑> string Core__.Import.Sequence.t