import { ObservableCollection$1 } from "igniteui-react-core";
import { Type } from "igniteui-react-core";
/**
 * @hidden
 */
export declare class IndexCollection extends ObservableCollection$1<number> {
    static $t: Type;
    constructor();
    protected r(a: number, b: number): void;
    protected x(a: number, b: number): void;
}