private void onProjectsUnlinked(@NotNull Set<String> linkedProjectPaths) {
    getPublisher().onProjectsUnlinked(linkedProjectPaths);
    ExternalSystemManager<?, ?, ?, ?, ?> manager = myManager.getValue();
    if (manager != null) {
      ExternalSystemSettingsListenerEx.EP_NAME
        .forEachExtensionSafe(it -> it.onProjectsUnlinked(myProject, manager, linkedProjectPaths));
    }
  }
private void onProjectsUnlinked(@NotNull Set<String> linkedProjectPaths)