original_string: public function is_available() {
          $target = $this->get_target();
          if (!$target) {
              return false;
          }
  
          $classname = $target->get_analyser_class();
          if (!class_exists($classname)) {
              return false;
          }
  
          return true;
      }
code: public function is_available() {
          $target = $this->get_target();
          if (!$target) {
              return false;
          }
  
          $classname = $target->get_analyser_class();
          if (!class_exists($classname)) {
              return false;
          }
  
          return true;
      }
code_tokens: public function is_available ( ) { $ target = $ this -> get_target ( ) ; if ( ! $ target ) { return false ; } $ classname = $ target -> get_analyser_class ( ) ; if ( ! class_exists ( $ classname ) ) { return false ; } return true ; }
docstring: Quick safety check to discard site models which required components are not available anymore.
  
  @return bool
docstring_tokens: Quick safety check to discard site models which required components are not available anymore .