import type { XOverlayNg } from './XOverlayNg.js';
import { type AttributeReactiveClass } from '../../element-reactive/index.js';
export declare class XOverlayAttributes implements InstanceType<AttributeReactiveClass<typeof XOverlayNg>> {
    #private;
    static observedAttributes: string[];
    constructor(dom: XOverlayNg);
    _handleEventsPassThrough(newVal: string | null): void;
    _handleVisible(newVal: string | null): void;
    connectedCallback(): void;
}