/**
* Determines if a string ends with a specified substring, searching case-sensitively.
*
* As a special case, the method returns `true` if the searched substring is empty.
*
* @param string $withString The searched substring.
*
* @return bool `true` if the string ends with the substring specified, taking into account the letter case of the
* characters, and `false` otherwise.
*/
public function endsWith($withString)
{
return CUString::endsWith($this, $withString);
}