original_string: public function get($index)
      {
          if (isset($this->callables[$index])) {
              return $this->callables[$index];
          }
  
          return $this->resolve($index);
      }
code: public function get($index)
      {
          if (isset($this->callables[$index])) {
              return $this->callables[$index];
          }
  
          return $this->resolve($index);
      }
code_tokens: public function get ( $ index ) { if ( isset ( $ this -> callables [ $ index ] ) ) { return $ this -> callables [ $ index ] ; } return $ this -> resolve ( $ index ) ; }
docstring: Get the middleware at the provided index.
  
  @param int $index The index to fetch.
  @return callable|null Either the callable middleware or null
  if the index is undefined.
docstring_tokens: Get the middleware at the provided index .