original_string: protected function store_supports_key_awareness() {
          if ($this->supportskeyawareness === null) {
              $this->supportskeyawareness = ($this->store instanceof cache_is_key_aware);
          }
          return $this->supportskeyawareness;
      }
code: protected function store_supports_key_awareness() {
          if ($this->supportskeyawareness === null) {
              $this->supportskeyawareness = ($this->store instanceof cache_is_key_aware);
          }
          return $this->supportskeyawareness;
      }
code_tokens: protected function store_supports_key_awareness ( ) { if ( $ this -> supportskeyawareness === null ) { $ this -> supportskeyawareness = ( $ this -> store instanceof cache_is_key_aware ) ; } return $ this -> supportskeyawareness ; }
docstring: Returns true if the store supports key awareness.
  
  @return bool
docstring_tokens: Returns true if the store supports key awareness .