fos.close();
advancerRegistry.unregisterAdvancer(in);
advancerRegistry.unregisterAdvancer(of);
advancerRegistry.unregisterAdvancer(_mul1);
advancerRegistry.unregisterAdvancer(_mul2);
advancerRegistry.unregisterAdvancer(fl);
NativeObjects.unregisterNativeObject(in);
NativeObjects.unregisterNativeObject(of);
NativeObjects.unregisterNativeObject(_mul1);
NativeObjects.unregisterNativeObject(_mul2);
NativeObjects.unregisterNativeObject(fl);