import { LitElement } from 'lit';
/**
 * Scroll-to-top floating button that appears after scrolling
 *
 * @slot - Custom icon or content for the button
 *
 * @csspart button - The scroll-to-top button element
 */
export declare class UIScrollToTop extends LitElement {
    static styles: import("lit").CSSResult;
    /** Scroll distance in pixels before the button appears */
    threshold: number;
    /** Whether to use smooth scrolling */
    smooth: boolean;
    /** Position of the button */
    position: 'bottom-right' | 'bottom-left';
    /** Accessible label for the button */
    label: string;
    /** Additional class applied when visible */
    visibleClass: string;
    private _visible;
    private _scrollHandler;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private _onScroll;
    private _scrollToTop;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ui-scroll-to-top': UIScrollToTop;
    }
}
//# sourceMappingURL=scroll-to-top.d.ts.map