import { LitElement } from 'lit';
/**
 * Accordion container component for collapsible panels
 *
 * @element ui-accordion
 *
 * @slot - Default slot for accordion items
 *
 * @csspart accordion - The accordion container
 *
 * @fires change - Dispatched when expanded items change
 */
export declare class UIAccordion extends LitElement {
    static styles: import("lit").CSSResult;
    /**
     * Expansion mode: 'single' allows only one item open at a time, 'multiple' allows any number
     */
    mode: 'single' | 'multiple';
    /**
     * Array of initially expanded item indices
     */
    defaultExpanded: number[];
    private items;
    connectedCallback(): void;
    disconnectedCallback(): void;
    firstUpdated(): void;
    private updateItems;
    private handleItemToggle;
    private handleKeyDown;
    render(): import("lit-html").TemplateResult<1>;
}
/**
 * Accordion item component - individual collapsible section
 *
 * @element ui-accordion-item
 *
 * @slot header - The header/title content
 * @slot content - The collapsible content
 * @slot icon - Custom expand/collapse icon
 *
 * @fires toggle - Dispatched when item is expanded or collapsed
 *
 * @csspart header - The clickable header button
 * @csspart content - The collapsible content container
 */
export declare class UIAccordionItem extends LitElement {
    static styles: import("lit").CSSResult;
    expanded: boolean;
    open: boolean;
    disabled: boolean;
    /**
     * Icon to display in the header
     */
    icon: string;
    /**
     * Custom ARIA label for the item
     */
    ariaLabel: string | null;
    /**
     * ID of element that labels this item
     */
    ariaLabelledby: string | null;
    private headerId;
    private contentId;
    connectedCallback(): void;
    private toggle;
    private handleKeyDown;
    /**
     * Focus the header button (for keyboard navigation)
     */
    focusButton(): void;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ui-accordion': UIAccordion;
        'ui-accordion-item': UIAccordionItem;
    }
}
//# sourceMappingURL=accordion.d.ts.map