=== tests/cases/conformance/types/typeAliases/classDoesNotDependOnBaseTypes.ts ===
var x: StringTree;
>x : Symbol(x, Decl(classDoesNotDependOnBaseTypes.ts, 0, 3))
>StringTree : Symbol(StringTree, Decl(classDoesNotDependOnBaseTypes.ts, 4, 1))

if (typeof x !== "string") {
>x : Symbol(x, Decl(classDoesNotDependOnBaseTypes.ts, 0, 3))

    x[0] = "";
>x : Symbol(x, Decl(classDoesNotDependOnBaseTypes.ts, 0, 3))

    x[0] = new StringTreeCollection;
>x : Symbol(x, Decl(classDoesNotDependOnBaseTypes.ts, 0, 3))
>StringTreeCollection : Symbol(StringTreeCollection, Decl(classDoesNotDependOnBaseTypes.ts, 9, 1))
}

type StringTree = string | StringTreeCollection;
>StringTree : Symbol(StringTree, Decl(classDoesNotDependOnBaseTypes.ts, 4, 1))
>StringTreeCollection : Symbol(StringTreeCollection, Decl(classDoesNotDependOnBaseTypes.ts, 9, 1))

class StringTreeCollectionBase {
>StringTreeCollectionBase : Symbol(StringTreeCollectionBase, Decl(classDoesNotDependOnBaseTypes.ts, 6, 48))

    [n: number]: StringTree;
>n : Symbol(n, Decl(classDoesNotDependOnBaseTypes.ts, 8, 5))
>StringTree : Symbol(StringTree, Decl(classDoesNotDependOnBaseTypes.ts, 4, 1))
}

class StringTreeCollection extends StringTreeCollectionBase { }
>StringTreeCollection : Symbol(StringTreeCollection, Decl(classDoesNotDependOnBaseTypes.ts, 9, 1))
>StringTreeCollectionBase : Symbol(StringTreeCollectionBase, Decl(classDoesNotDependOnBaseTypes.ts, 6, 48))