`EmptyClassStub` introduced to have a simple instantiable class at any time
`EmptyClassStub` introduced to have a simple instantiable class at any time

localheinz/ProxyManager,localheinz/ProxyManager,huang-lu/ProxyManager,localheinz/ProxyManager,Ocramius/ProxyManager,huang-lu/ProxyManager,huang-lu/ProxyManager