import { OnDestroy } from '@angular/core';
import { DataSource } from './data.service';
/**
 * Service for saving a table's data to a csv file.
 */
export declare class ExportTableService implements OnDestroy {
    /**
     * Data subscription of export table service
     */
    private dataSubscription;
    /**
     * Saves table data to a csv file.
     *
     * @param source The table data.
     */
    save(source: DataSource): void;
    /**
     * on destroy life cycle hook
     */
    ngOnDestroy(): void;
}