import { BootstrapElement } from '@bootstrap-wc/core';
/**
 * `<bs-accordion-item>` — a single accordion panel. Slot `header` for the
 * collapsed-state label; the default slot is the panel body.
 *
 * @fires bs-accordion-item-toggle - `{detail: {open}}` on state change.
 */
export declare class BsAccordionItem extends BootstrapElement {
    /**
     * Bootstrap's accordion radius rules use `:first-of-type` /
     * `:last-of-type` against the `.accordion-item` div — but our
     * `.accordion-item` lives inside this component's shadow root, so it's
     * always the only `.accordion-item` in its scope and every item ends up
     * matching both pseudo-classes (every corner rounded, every border-top
     * present → doubled borders, no flush join, no shared corners).
     *
     * Override the inside-shadow rules so they're inert, then re-apply the
     * radius and border-collapse based on the HOST's position via
     * `:host(:first-child)` / `:host(:last-child)`. The host IS a sibling
     * of other `<bs-accordion-item>` elements inside `<bs-accordion>`, so
     * those structural pseudo-classes resolve correctly.
     */
    static styles: import("lit").CSSResult;
    open: boolean;
    heading?: string;
    private _panel;
    private _uid;
    private _toggle;
    updated(changed: Map<string, unknown>): void;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'bs-accordion-item': BsAccordionItem;
    }
}
//# sourceMappingURL=accordion-item.d.ts.map