bar -> UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1)) from KtDotQualifiedExpression
X -> USimpleNameReferenceExpression (identifier = X) from KtNameReferenceExpression
bar -> UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1)) from KtNameReferenceExpression
