import { EventArgs, Type } from "./type";
/**
 * @hidden
 */
export declare class DataSourceRowExpansionChangedEventArgs extends EventArgs {
    static $t: Type;
    private f;
    private c;
    private b;
    constructor(a: number, b: boolean, c: boolean);
    get rowIndex(): number;
    get oldState(): boolean;
    get newState(): boolean;
}