text: #ifndef CUSTOM_BLE_SERVICE_H
  #define CUSTOM_BLE_SERVICE_H
  
  #include <bluefruit.h>
  
  class CustomBLEService : public BLEService {
      public:
          CustomBLEService(BLEUuid uuid);
  
          virtual void init();
  };
  
  #endif /* CUSTOM_BLE_SERVICE_H */