import { ComponentInterface } from '../../stencil-public-runtime';
export declare class Q2Optgroup implements ComponentInterface {
    disabled: boolean;
    label: string;
    hostElement: HTMLElement;
    hidden: boolean;
    guid: number;
    mutationObserver: MutationObserver;
    componentWillLoad(): void;
    componentDidUnload(): void;
    setHidden: () => void;
    get headerId(): string;
    get options(): HTMLQ2OptionElement[];
    loc(key: string, subs?: string[]): string;
    disabledWatcher(disabled: boolean): void;
    render(): any;
}