original_string: public function add(string $key, $value, bool $override = false)
      {
          if (!$override && $this->exists($key)) {
              return;
          }
  
          $this->parameters[$key] = $value;
      }
code: public function add(string $key, $value, bool $override = false)
      {
          if (!$override && $this->exists($key)) {
              return;
          }
  
          $this->parameters[$key] = $value;
      }
code_tokens: public function add ( string $ key , $ value , bool $ override = false ) { if ( ! $ override && $ this -> exists ( $ key ) ) { return ; } $ this -> parameters [ $ key ] = $ value ; }
docstring: Add a parameter to the bag
  
  @param string $key
  @param mixed  $value
docstring_tokens: Add a parameter to the bag