@Override
    public void writeToParcel(Parcel out, int flags) {
        out.writeParcelable(new ParcelUuid(mUuid), 0);
        out.writeInt(mInstance);
        out.writeInt(mPermissions);
    }
Used for mocks and constants in rxandroidble, but instances created in mockrxandroidble, so the methods must be implemented
rxandroidble/src/test/java/android/bluetooth/BluetoothGattDescriptor.java