src/vs/platform/contextkey/browser/contextKeyService.ts/CompositeContextKeyChangeEvent/affectsSome
class CompositeContextKeyChangeEvent:	affectsSome(keys: IReadableSet<string>): boolean {
		for (const e of this.events) {
			if (e.affectsSome(keys)) {
				return true;
			}
		}
		return false;
	}