Int -> USimpleNameReferenceExpression (identifier = Int) from KtNameReferenceExpression
Int -> USimpleNameReferenceExpression (identifier = Int) from KtNameReferenceExpression
a -> USimpleNameReferenceExpression (identifier = a) from KtNameReferenceExpression
b -> USimpleNameReferenceExpression (identifier = b) from KtNameReferenceExpression
Unit -> USimpleNameReferenceExpression (identifier = Unit) from KtNameReferenceExpression