import { LitElement, PropertyValues } from 'lit';
import { AccordionSizes } from '@viasat/beam-shared/components/accordion';
/**
 * `bm-accordion`
 *
 * @fires bm-toggle - Dispatched when the Accordion is toggled
 * @slot default - Specify body content for the Accordion
 * @slot icon - Display an icon before the Accordion heading
 * @slot heading - Specify heading content for the Accordion
 */
export declare class BmAccordion extends LitElement {
    #private;
    /**
     * Specify size of an Accordion
     * @default 'md'
     */
    size: AccordionSizes | undefined;
    /**
     * Specify heading content for the Accordion
     */
    heading?: string;
    /**
     * Specify if an Accordion is open.
     * If this is specified, the component becomes controlled
     * @default false
     */
    open?: boolean;
    /**
     * Specify if an Accordion is open by default
     * @default false
     */
    defaultOpen: boolean;
    /**
     * Unique identifier of Accordion
     */
    id: string;
    private _isOpen;
    private _accordionUniqueId;
    private iconNodes?;
    private get hasIconSlot();
    private group?;
    static styles: import('lit').CSSResult;
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected willUpdate(changedProperties: PropertyValues): void;
    private handleToggle;
    private dispatchToggleEvent;
    private handleKeyDown;
    render(): import('lit-html').TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'bm-accordion': BmAccordion;
    }
}
//# sourceMappingURL=Accordion.d.ts.map