static @NotNull InstallPluginInfo finishInstall(@NotNull IdeaPluginDescriptor descriptor) {
    InstallPluginInfo info = myInstallingInfos.remove(descriptor.getPluginId());
    info.close();
    myInstallingWithUpdatesPlugins.remove(descriptor);
    if (info.install) {
      myInstallingPlugins.remove(descriptor);
    }
    return info;
  }
static @NotNull InstallPluginInfo finishInstall(@NotNull IdeaPluginDescriptor descriptor)