@Override
                        public Completable apply(BluetoothGattDescriptor bluetoothGattDescriptor) {
                            return writeDescriptor(bluetoothGattDescriptor, enabled ? enableValue : DISABLE_NOTIFICATION_VALUE);
                        }
Value used to disable notifications or indicatinos
mockrxandroidble/src/main/java/com/polidea/rxandroidble2/mockrxandroidble/RxBleConnectionMock.java