import type { AttributeReactiveClass } from '@lynx-dev/web-elements-reactive';
import { XFoldviewHeaderNg } from './XFoldviewHeaderNg.js';
export declare class XFoldviewHeaderNgFeatures implements InstanceType<AttributeReactiveClass<typeof XFoldviewHeaderNg>> {
    #private;
    static observedAttributes: never[];
    constructor(dom: XFoldviewHeaderNg);
    connectedCallback(): void;
    dispose(): void;
}