@Nullable
    private static UReferenceExpression getReferenceExpression(PsiElement element) {
      UReferenceExpression expression = UastContextKt.toUElement(element, UQualifiedReferenceExpression.class);
      if (expression == null) {
        expression = UastContextKt.toUElement(element, USimpleNameReferenceExpression.class);
      }
      return expression;
    }
@Nullable
    private static UReferenceExpression getReferenceExpression(PsiElement element)