add(url: string, title: string, faviconHash: string | undefined, userInitiated: boolean): IBrowserHistoryEntry {
const entry: IBrowserHistoryEntry = userInitiated
? { id: this._nextId++, url, time: Date.now(), title, icon: faviconHash, explicit: true }
browserHistory.ts
: { id: this._nextId++, url, time: Date.now(), title, icon: faviconHash };
this._items.push(entry);