public void startFindUsages(@NotNull PsiElement psiElement, @NotNull FindUsagesOptions findUsagesOptions) {
    ThreadingAssertions.assertEventDispatchThread();
    FindUsagesHandler handler = getFindUsagesHandler(psiElement, false);
    if (handler == null) return;
    startFindUsages(findUsagesOptions, handler, null, null);
  }
public void startFindUsages(@NotNull PsiElement psiElement, @NotNull FindUsagesOptions findUsagesOptions)