@Nullable
	Request getNext() {
		try {
			return requests.remove();
			// poll() may also throw an exception
			// See: https://github.com/NordicSemiconductor/Android-BLE-Library/issues/37
		} catch (final Exception e) {
			return null;
		}
	}
Returns the next {@link Request} to be enqueued.

@return the next request.
ble/src/main/java/no/nordicsemi/android/ble/RequestQueue.java