original_string: public static function escape($label) {
          if (empty(self::$escaper)) {
              self::$escaper = new \Behat\Mink\Selector\Xpath\Escaper();
          }
          return self::$escaper->escapeLiteral($label);
      }
code: public static function escape($label) {
          if (empty(self::$escaper)) {
              self::$escaper = new \Behat\Mink\Selector\Xpath\Escaper();
          }
          return self::$escaper->escapeLiteral($label);
      }
code_tokens: public static function escape ( $ label ) { if ( empty ( self :: $ escaper ) ) { self :: $ escaper = new \ Behat \ Mink \ Selector \ Xpath \ Escaper ( ) ; } return self :: $ escaper -> escapeLiteral ( $ label ) ; }
docstring: Translates string to XPath literal.
  
  @param string $label label to escape
  @return string escaped string.
docstring_tokens: Translates string to XPath literal .