import { scrollContainerDom } from '../common/constants.js';
import type { XFoldviewSlotNg } from './XFoldviewSlotNg.js';
export declare const scrollableLength: unique symbol;
export declare const isHeaderShowing: unique symbol;
export declare const resizeObserver: unique symbol;
export declare const slotKid: unique symbol;
export declare class XFoldviewNg extends HTMLElement {
    #private;
    static readonly notToFilterFalseAttributes: Set<string>;
    [slotKid]?: XFoldviewSlotNg;
    [resizeObserver]?: ResizeObserver;
    get [scrollableLength](): number;
    get [isHeaderShowing](): boolean;
    get scrollTop(): number;
    set scrollTop(value: number);
    setFoldExpanded(params: {
        offset: string;
        smooth: boolean;
    }): void;
    get [scrollContainerDom](): this;
    disconnectedCallback(): void;
}