import { CSSResultGroup, PropertyValues, TemplateResult, LitElement } from 'lit';
import { SbbTitleLevel } from '../title.js';

declare const SbbAccordionElement_base: import('../core/mixins.js').AbstractConstructor<import('../core/mixins.js').SbbHydrationMixinType> & typeof LitElement;
/**
 * 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 SbbAccordionElement_base {
    static styles: CSSResultGroup;
    /**
     * The heading level for the sbb-expansion-panel-headers within the component.
     * @controls SbbExpansionPanelElement.titleLevel
     */
    set titleLevel(value: SbbTitleLevel | null);
    get titleLevel(): SbbTitleLevel | null;
    private _titleLevel;
    /** Whether more than one sbb-expansion-panel can be open at the same time. */
    set multi(value: boolean);
    get multi(): boolean;
    private _multi;
    /** Size variant, either l or s; overrides the size on any projected `sbb-expansion-panel`. `*/
    size: 's' | 'l';
    private _abort;
    private _closePanels;
    private _resetExpansionPanels;
    private _setTitleLevelOnChildren;
    private get _expansionPanels();
    connectedCallback(): void;
    protected willUpdate(changedProperties: PropertyValues<this>): void;
    private _handleSlotchange;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-accordion': SbbAccordionElement;
    }
}
export {};
//# sourceMappingURL=accordion.d.ts.map