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/// <reference path='fourslash.ts'/>
////class CollectionItem {
//// x: number;
////}
////class Entity extends CollectionItem {
//// y: number;
////}
////class BaseCollection<TItem extends CollectionItem> {
//// _itemsByKey: { [key: string]: TItem; };
////}
////class DbSet<TEntity extends Entity> extends BaseCollection<TEntity> { // error
//// _itemsByKey: { [key: string]: TEntity; } = {};
////}
////var a: BaseCollection<CollectionItem>;
////var /**/r = a._itemsByKey['x']; // should just say CollectionItem not TItem extends CollectionItem
////var result = r.x;
////a = new DbSet<Entity>();
////var r2 = a._itemsByKey['x'];
////var result2 = r2.x;
verify.quickInfoAt("", "var r: CollectionItem");
verify.noErrors();
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