import { LitElement } from "lit";
import type { TemplateResult } from "lit";
type Primitive = string | number;
export interface ChipGroupOverflowToggleDetail {
    open: boolean;
    hidden: number;
}
/**
 * @fires change - Fired on commit with the new value in `detail`.
 * @fires xm-chip-group-overflow-toggle - Fired when the overflow pill folds or unfolds the tail of the set (`detail.open`, `detail.hidden`).
 */
export declare class XmChipGroup extends LitElement {
    static styles: CSSStyleSheet[];
    multiple: boolean;
    value: Primitive | Primitive[] | null;
    /** Show at most this many chips; the rest fold behind an overflow pill
        (0 = show everything). Same word, same behaviour as `<xm-avatar-group max>`.
        A selected chip is never folded — an active filter stays visible even past
        the cap — so the visible count can exceed `max`. Chips the consumer hid
        themselves are left alone. */
    max: number;
    /** Copy for the collapsed overflow pill. `{n}` interpolates the hidden count. */
    overflowLabel: string;
    private _overflowOpen;
    private _foldCount;
    private _folded;
    connectedCallback(): void;
    disconnectedCallback(): void;
    firstUpdated(): void;
    updated(changed: Map<string, unknown>): void;
    private _chips;
    private _enabledChips;
    private _foldable;
    private _partition;
    private _applyOverflow;
    private _toggleOverflow;
    private _syncValueFromChips;
    private _onChipActivate;
    private _onKeydown;
    private _updateRovingTabindex;
    render(): TemplateResult;
    private _renderOverflow;
    private _onSlot;
}
declare global {
    interface HTMLElementTagNameMap {
        "xm-chip-group": XmChipGroup;
    }
}
export {};