@Nullable
    static KtIfExpression getParentIfForBranch(@Nullable KtExpression expression) {
        KtIfExpression ifExpression = PsiTreeUtil.getParentOfType(expression, KtIfExpression.class, true);
        if (ifExpression == null) return null;
        if (equalOrLastInBlock(ifExpression.getThen(), expression)
            || equalOrLastInBlock(ifExpression.getElse(), expression)) {
            return ifExpression;
        }
        return null;
    }
@Nullable
    static KtIfExpression getParentIfForBranch(@Nullable KtExpression expression)