@Override
                public SingleSource<BluetoothGattDescriptor> apply(RxBleDeviceServices rxBleDeviceServices) {
                    return rxBleDeviceServices.getDescriptor(serviceUuid, characteristicUuid, descriptorUuid);
                }
Value used to disable notifications or indicatinos
mockrxandroidble/src/main/java/com/polidea/rxandroidble2/mockrxandroidble/RxBleConnectionMock.java