private void updateProjectRef(@Nullable Project project, @Nullable WizardContext wizardContext) {
    if (wizardContext != null && wizardContext.getProject() != null) {
      project = wizardContext.getProject();
    }
    if (project != null && project != myProjectRef.get()) {
      Disposer.register(project, myProjectRefDisposable);
    }
    myProjectRef.set(project);
  }
private void updateProjectRef(@Nullable Project project, @Nullable WizardContext wizardContext)