module Read_write: sig .. end
sig
end
type ('key, 'data) t = ('key, 'data, Core.Std.read_write) Hashtbl.Access_control.any
('key, 'data)
('key, 'data, Core.Std.read_write) Hashtbl.Access_control.any
include Sexpable.S2
include Binable.S2