NS_IMPL_ISUPPORTS2(nsFolderCompactState, nsIStreamObserver, nsIStreamListener)
NS_IMPL_ISUPPORTS5(nsFolderCompactState, nsIMsgFolderCompactor, nsIRequestObserver, nsIStreamListener, nsICopyMessageStreamListener, nsIUrlListener)
NS_IMPL_ISUPPORTS2(nsFolderCompactState, nsIStreamObserver, nsIStreamListener)