public @Nullable ExternalProjectsView getExternalProjectsView(@NotNull ProjectSystemId systemId) {
    for (ExternalProjectsView projectsView : myProjectsViews) {
      if (projectsView.getSystemId().equals(systemId)) return projectsView;
    }
    return null;
  }
public @Nullable ExternalProjectsView getExternalProjectsView(@NotNull ProjectSystemId systemId)