import { ComponentAsync } from './ComponentAsync.js';
export declare abstract class AppPageV2<P extends {} = {}, S extends {} = {}> extends ComponentAsync<P, S> {
    private pageTitle;
    private prevTitle;
    protected constructor(p: P, pageTitle?: string | (() => string));
    setPageTitle(pageTitle: string | (() => string)): void;
    protected updateTitle: () => void;
    private resolveTitle;
}