Introduce Type Alias: Support type constructor extraction

compiler/frontend/src/org/jetbrains/kotlin/psi/psiUtil/ktPsiUtil.kt

@@ -466,4 +466,9 @@ fun KtElement.containingClass(): KtClass? = getStrictParentOfType<KtClass>()
 fun KtClassOrObject.findPropertyByName(name: String): KtNamedDeclaration? {
     return declarations.firstOrNull { it is KtProperty && it.name == name } as KtNamedDeclaration?
            ?: getPrimaryConstructorParameters().firstOrNull { it.hasValOrVar() && it.name == name }
+}
+
+fun isTypeConstructorReference(e: PsiElement): Boolean {
+    val parent = e.parent
+    return parent is KtUserType && parent.referenceExpression == e
 }