DataTable.Cols
type t = {
id : string;
label : string;
_type : string;
}
val id : (t, string) GapiLens.t
val label : (t, string) GapiLens.t
val _type : (t, string) GapiLens.t
val empty : t
val render : t -> GapiJson.json_data_model list
val parse : t -> GapiJson.json_data_model -> t