docs: public static boolean isValidIfNumber(Object obj) {
  		if (obj != null && obj instanceof Number) {
  			if (obj instanceof Double) {
  				if (((Double) obj).isInfinite() || ((Double) obj).isNaN()) {
  					return false;
  				}
  			} else if (obj instanceof Float) {
  				if (((Float) obj).isInfinite() || ((Float) obj).isNaN()) {
  					return false;
  				}
  			}
  		}
  		return true;
  	}