/**
 * Sidebar — a vertical navigation panel composed of `mud-sidebar-group`
 * sections and `mud-sidebar-item` rows.
 *
 * Set the native `aria-label` attribute on the host for an accessible name on
 * the navigation landmark.
 *
 * @element mud-sidebar
 * @slot - `mud-sidebar-group` and/or `mud-sidebar-item` elements.
 * @part sidebar - The bordered navigation surface.
 */
export declare class MudSidebar {
    /** Collapse to the icon-only compact rail. */
    collapsed: boolean;
    /** The host's `aria-label`, forwarded onto the inner `<nav>` landmark. */
    private resolvedAriaLabel?;
    host: HTMLMudSidebarElement;
    private stopAriaLabel?;
    handleCollapsedChange(): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
    componentDidLoad(): void;
    private handleSlotChange;
    private propagateCollapsed;
    render(): any;
}