CssTranslation constructor
- CssNumericValue x,
- CssNumericValue y, [
- CssNumericValue? z
Implementation
factory CssTranslation(
  CssNumericValue x,
  CssNumericValue y, [
  CssNumericValue? z,
]) {
  if ((y is CssNumericValue) && (x is CssNumericValue) && z == null) {
    return CssTranslation._create_1(x, y);
  }
  if ((z is CssNumericValue) &&
      (y is CssNumericValue) &&
      (x is CssNumericValue)) {
    return CssTranslation._create_2(x, y, z);
  }
  throw new ArgumentError("Incorrect number or type of arguments");
}