import { FilterRequestDto } from '../../filter/dto/filter-request.dto';
import { AttributeMasterService } from '../../meta/service/attribute-master.service';
import { EntityMasterService } from '../../meta/service/entity-master.service';
import { FilterService } from '../../filter/service/filter.service';
import { LayoutPreferenceRepository } from '../../layout_preference/repository/layout_preference.repository';
export declare class ExportService {
    private readonly attributeMasterService;
    private readonly entityMasterService;
    private readonly filterService;
    private readonly layoutPreferenceRepo;
    constructor(attributeMasterService: AttributeMasterService, entityMasterService: EntityMasterService, filterService: FilterService, layoutPreferenceRepo: LayoutPreferenceRepository);
    generateExcelReport(dto: FilterRequestDto): Promise<string | null>;
    private populateExcelData;
}