import { LitElement } from 'lit';
import IgcSelectItemComponent from './select-item.js';
/**
 * @element igc-select-group - A container for a group of `igc-select-item` components.
 *
 * @slot label - Contains the group's label.
 * @slot - Intended to contain the items belonging to this group.
 *
 * @csspart label - The native label element.
 */
export default class IgcSelectGroupComponent extends LitElement {
    static readonly tagName = "igc-select-group";
    static styles: import("lit").CSSResult[];
    static register(): void;
    private readonly _internals;
    private controlledItems;
    /** All child `igc-select-item`s. */
    items: Array<IgcSelectItemComponent>;
    protected activeItems: Array<IgcSelectItemComponent>;
    private _observerCallback;
    /**
     * Whether the group item and all its children are disabled.
     * @attr
     */
    disabled: boolean;
    constructor();
    protected firstUpdated(): Promise<void>;
    protected disabledChange(): void;
    protected render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'igc-select-group': IgcSelectGroupComponent;
    }
}