class BluetoothPeripheral {

    @SuppressWarnings("WeakerAccess")
    public @NotNull List<BluetoothGattService> getServices() {
        if (bluetoothGatt != null) {
            return bluetoothGatt.getServices();
        }
        return Collections.emptyList();
    }

      BluetoothPeripheral(@NotNull Context context, @NotNull BluetoothDevice device, @NotNull InternalCallback listener, BluetoothPeripheralCallback peripheralCallback, Handler callbackHandler);

}