src/vs/workbench/services/extensions/common/extensionHostManager.ts/LazyStartExtensionHostManager/activationEventIsDone
class LazyStartExtensionHostManager:	public activationEventIsDone(activationEvent: string): boolean {
		if (!this._startCalled.isOpen()) {
			return false;
		}
		if (this._actual) {
			return this._actual.activationEventIsDone(activationEvent);
		}
		return true;
	}