original_string: public function register($name, Closure $callback)
      {
          $this->checkCallbackName($name);
  
          $this->callbacks[$name] = $callback;
  
          return $this;
      }
code: public function register($name, Closure $callback)
      {
          $this->checkCallbackName($name);
  
          $this->callbacks[$name] = $callback;
  
          return $this;
      }
code_tokens: public function register ( $ name , Closure $ callback ) { $ this -> checkCallbackName ( $ name ) ; $ this -> callbacks [ $ name ] = $ callback ; return $ this ; }
docstring: Register a breadcrumb domain.
  
  @param  string    $name
  @param  \Closure  $callback
  
  @return self
docstring_tokens: Register a breadcrumb domain .