import { UploadService } from '@servicelabsco/nestjs-utility-services';
export declare class LoadXlsFile {
    private readonly uploadService;
    protected workbook: any;
    private headers;
    private file;
    constructor(uploadService: UploadService);
    handle(data: {
        id: number;
        url: string;
    }): Promise<void>;
    private processXls;
    private processCsv;
    private excelInit;
    private readWorksheet;
    private readCsv;
    private mapHeader;
    private ensureTempDirectory;
}