import { ClrOptionItems } from './option-items.directive';
import * as i0 from "@angular/core";
export declare class ClrOptionGroup<T> {
    label: string;
    protected clrOptionItems: ClrOptionItems<T>;
    protected labelId: string;
    static ɵfac: i0.ɵɵFactoryDeclaration<ClrOptionGroup<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ClrOptionGroup<any>, "clr-option-group", never, { "label": "clrOptionGroupLabel"; }, {}, ["clrOptionItems"], ["*"], false, never>;
}