private String state2String(final int state) {
			return switch (state) {
				case BluetoothAdapter.STATE_TURNING_ON -> "TURNING ON";
				case BluetoothAdapter.STATE_ON -> "ON";
				case BluetoothAdapter.STATE_TURNING_OFF -> "TURNING OFF";
				case BluetoothAdapter.STATE_OFF -> "OFF";
				default -> "UNKNOWN (" + state + ")";
			};
		}
An instance of a request that waits for a notification or an indication.
There may be only a single instance of such request at a time as this is a blocking request.
ble/src/main/java/no/nordicsemi/android/ble/BleManagerHandler.java