text: #ifndef HANDLER_SIGNAL1_H_
  #define HANDLER_SIGNAL1_H_
  
  #include <event/handler.h>
  #include <helper/signal.h>
  
  class HandlerSignal1 : public EventHandler {
   private:
    Signal* signal_;
  
   public:
    bool Init(HandlerContext* context);
    bool Handler(HandlerContext* context, Event* event);
  };
  
  #endif  // HANDLER_SIGNAL1_H_
  