import { StacheWindowRef } from '../shared/window-ref';
import * as i0 from "@angular/core";
export declare class StacheBackToTopComponent {
    #private;
    set offset(value: number | string | undefined);
    get offset(): number;
    isHidden: boolean;
    constructor(windowRef: StacheWindowRef);
    onWindowScroll(): void;
    scrollToTop(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<StacheBackToTopComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<StacheBackToTopComponent, "stache-back-to-top", never, { "offset": { "alias": "offset"; "required": false; }; }, {}, never, never, false, never>;
}