import { CSSResultArray, TemplateResult } from 'lit';
import NileElement from '../internal/nile-element';
/**
 * Nile side-bar-expand component.
 *
 * @tag nile-side-bar-expand
 *
 */
export declare class NileSideBarExpand extends NileElement {
    collapsed: boolean;
    expandTooltipText: string;
    collapseTooltipText: string;
    static get styles(): CSSResultArray;
    connectedCallback(): void;
    private toggleSidebar;
    render(): TemplateResult;
}
export default NileSideBarExpand;
declare global {
    interface HTMLElementTagNameMap {
        'nile-side-bar-expand': NileSideBarExpand;
    }
}