NS_IMETHODIMP nsMailtoChannel::AsyncWrite(nsIInputStream *fromStream, nsIStreamObserver *observer, nsISupports *ctxt)
NS_IMETHODIMP nsMailtoChannel::AsyncWrite(nsIStreamProvider *provider, nsISupports *ctxt)
NS_IMETHODIMP nsMailtoChannel::AsyncWrite(nsIInputStream *fromStream, nsIStreamObserver *observer, nsISupports *ctxt){    NS_NOTREACHED("AsyncWrite");	return NS_ERROR_NOT_IMPLEMENTED;}