module ColumnKind: sig .. end
sig
end
type t = string
string
val to_yojson : t -> Yojson.Safe.t
t -> Yojson.Safe.t
val of_yojson : Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_or
Yojson.Safe.t -> t Ppx_deriving_yojson_runtime.error_or
include struct ... end
val utf16CodeUnits : string
val unicodeCodePoints : string