import { EventEmitter } from '../../stencil-public-runtime';
export interface ScrollOverlayScrollDetail {
    scrollTop: number;
    scrollHeight: number;
    clientHeight: number;
}
export declare class ScrollOverlay {
    el: HTMLElement;
    /** Optional accessible name. When provided, the scrollport is a focusable region. */
    scrollLabel: string | undefined;
    /** Reports scroll position without exposing the internal scrollport element. */
    dsScroll: EventEmitter<ScrollOverlayScrollDetail>;
    private viewport?;
    private content?;
    private overlay?;
    private controller?;
    componentDidLoad(): void;
    disconnectedCallback(): void;
    /** Move the owned scrollport to its beginning. */
    scrollToStart(): Promise<void>;
    /** Move the owned scrollport to its live end. */
    scrollToEnd(): Promise<void>;
    /** Re-measure footer geometry after an imperative slotted-content update. */
    refreshOverlay(): Promise<void>;
    private handleScroll;
    render(): any;
}
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