public VsixPackageMirrorCommand( bool overwriteExisting, IVsixPackageDownloader sourcePackageDownloader, IVsixPackageDownloader destinationPackageDownloader, IVsixPackagePusher packagePusher) { _overwriteExisting = overwriteExisting; _sourcePackageDownloader = sourcePackageDownloader; _destinationPackageDownloader = destinationPackageDownloader; _packagePusher = packagePusher; }