code: private void returnLed(Buffer buffer) {
          Callback<LedColor> callback = getFirstCallback(BeanMessageID.CC_LED_READ_ALL);
          if (callback != null) {
              callback.onResult(LedColor.fromPayload(buffer));
          }
      }
docs: Call the onResult callback for {@link com.punchthrough.bean.sdk.Bean#readLed(com.punchthrough.bean.sdk.message.Callback)}.
  @param buffer Raw message bytes from the Bean