type t = [ | `No |
| `Yes |
| `Limit of string list |
| `Replace of string list |
| `Add of string list |
| `Transform of (string list ‑> string list) Core.sexp_opaque |
| `Filter_map of (string list ‑> string option list) Core.sexp_opaque |
]val sexp_of_t : t ‑> Base.Sexp.t