static extern int NS_InitXPCOM2([MarshalAs(UnmanagedType.Interface)] out nsIServiceManager serviceManager, [MarshalAs(UnmanagedType.IUnknown)] object binDirectory, nsIDirectoryServiceProvider appFileLocationProvider);
public static extern nsResult NS_InitXPCOM2(out nsIServiceManager result, nsIFile binDirectory, nsIDirectoryServiceProvider appFileLocationProvider);