import { NzSafeAny } from 'ng-zorro-antd/core/types';
import { SelectableZorroDataSource } from './selectable-zorro-data-source';
export declare class BlankSelectableDataSource extends SelectableZorroDataSource<NzSafeAny, NzSafeAny> {
    constructor();
    isEquals(a: NzSafeAny, b: NzSafeAny): boolean;
}