original_string: protected function store_supports_native_locking() {
          if ($this->nativelocking === null) {
              $this->nativelocking = ($this->store instanceof cache_is_lockable);
          }
          return $this->nativelocking;
      }
code: protected function store_supports_native_locking() {
          if ($this->nativelocking === null) {
              $this->nativelocking = ($this->store instanceof cache_is_lockable);
          }
          return $this->nativelocking;
      }
code_tokens: protected function store_supports_native_locking ( ) { if ( $ this -> nativelocking === null ) { $ this -> nativelocking = ( $ this -> store instanceof cache_is_lockable ) ; } return $ this -> nativelocking ; }
docstring: Returns true if the store natively supports locking.
  
  @return bool
docstring_tokens: Returns true if the store natively supports locking .