var d = "RC_TABLE_KEY";
function f(e) {
  return e == null ? [] : Array.isArray(e) ? e : [e];
}
function y(e) {
  var t = [], u = {};
  return e.forEach(function(a) {
    for (var r = a || {}, i = r.key, o = r.dataIndex, n = i || f(o).join("-") || d; u[n]; )
      n = "".concat(n, "_next");
    u[n] = !0, t.push(n);
  }), t;
}
function c(e) {
  return e != null;
}
export {
  y as getColumnsKey,
  c as validateValue
};
