docs: public static boolean isNumeric(Object value) {
  		if (value == null) return false;
  		if (value instanceof Number) return true;
  		if (value instanceof String) {
  			String stringValue = (String) value;
  			if (isNullOrEmpty(stringValue)) return true;
  			return isNumber(stringValue);
  		}
  		return false;
  	}