=== tests/cases/compiler/genericBaseClassLiteralProperty2.ts ===
class CollectionItem2 { }
>CollectionItem2 : Symbol(CollectionItem2, Decl(genericBaseClassLiteralProperty2.ts, 0, 0))

class BaseCollection2<TItem extends CollectionItem2> {
>BaseCollection2 : Symbol(BaseCollection2, Decl(genericBaseClassLiteralProperty2.ts, 0, 25))
>TItem : Symbol(TItem, Decl(genericBaseClassLiteralProperty2.ts, 2, 22))
>CollectionItem2 : Symbol(CollectionItem2, Decl(genericBaseClassLiteralProperty2.ts, 0, 0))

    _itemsByKey: { [key: string]: TItem; };
>_itemsByKey : Symbol(_itemsByKey, Decl(genericBaseClassLiteralProperty2.ts, 2, 54))
>key : Symbol(key, Decl(genericBaseClassLiteralProperty2.ts, 3, 20))
>TItem : Symbol(TItem, Decl(genericBaseClassLiteralProperty2.ts, 2, 22))

    constructor() {
        this._itemsByKey = {};
>this._itemsByKey : Symbol(_itemsByKey, Decl(genericBaseClassLiteralProperty2.ts, 2, 54))
>this : Symbol(BaseCollection2, Decl(genericBaseClassLiteralProperty2.ts, 0, 25))
>_itemsByKey : Symbol(_itemsByKey, Decl(genericBaseClassLiteralProperty2.ts, 2, 54))
    }
}

class DataView2 extends BaseCollection2<CollectionItem2> {
>DataView2 : Symbol(DataView2, Decl(genericBaseClassLiteralProperty2.ts, 7, 1))
>BaseCollection2 : Symbol(BaseCollection2, Decl(genericBaseClassLiteralProperty2.ts, 0, 25))
>CollectionItem2 : Symbol(CollectionItem2, Decl(genericBaseClassLiteralProperty2.ts, 0, 0))

    fillItems(item: CollectionItem2) {
>fillItems : Symbol(fillItems, Decl(genericBaseClassLiteralProperty2.ts, 9, 58))
>item : Symbol(item, Decl(genericBaseClassLiteralProperty2.ts, 10, 14))
>CollectionItem2 : Symbol(CollectionItem2, Decl(genericBaseClassLiteralProperty2.ts, 0, 0))

        this._itemsByKey['dummy'] = item;
>this._itemsByKey : Symbol(BaseCollection2._itemsByKey, Decl(genericBaseClassLiteralProperty2.ts, 2, 54))
>this : Symbol(DataView2, Decl(genericBaseClassLiteralProperty2.ts, 7, 1))
>_itemsByKey : Symbol(BaseCollection2._itemsByKey, Decl(genericBaseClassLiteralProperty2.ts, 2, 54))
>item : Symbol(item, Decl(genericBaseClassLiteralProperty2.ts, 10, 14))
    }
}