import { CSSResultGroup, PropertyValues, TemplateResult } from 'lit';
import { SbbElement, SbbHeadingLevel } from '../core.ts';
/**
 * It can be used as a container for one or more `sbb-expansion-panel` component.
 *
 * @slot - Use the unnamed slot to add `sbb-expansion-panel` elements.
 */
export declare class SbbAccordionElement extends SbbElement {
    static readonly elementName: string;
    static styles: CSSResultGroup;
    /**
     * Size variant, either s (lean theme default) or l (standard theme default).
     * The property overrides the size on any projected `sbb-expansion-panel`.
     */
    accessor size: 's' | 'l' | null;
    /**
     * The heading level for the sbb-expansion-panel-headers within the component.
     */
    accessor titleLevel: SbbHeadingLevel | null;
    /** Whether more than one sbb-expansion-panel can be open at the same time. */
    accessor multi: boolean;
    constructor();
    private _expansionPanels;
    private _closePanels;
    protected willUpdate(changedProperties: PropertyValues<this>): void;
    private _resetExpansionPanels;
    private _setTitleLevelOnChildren;
    private _handleSlotchange;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-accordion': SbbAccordionElement;
    }
}
//# sourceMappingURL=accordion.component.d.ts.map