import { IExcelParser } from './IExcelParser.js';
import { WorkBook } from 'xlsx';
import { MapValueTypeBaseType } from '../../../shared/types/map-value-type-base.type';
export declare class BaseExcelParser<T extends Record<string, string>> implements IExcelParser<T> {
    readonly columnNames: T;
    constructor(columnNames: T);
    parse(workBook: WorkBook): Map<string, MapValueTypeBaseType>[];
    private getFirstSheetsName;
    private findLastLineNumber;
    private cleanUpAndSortSheetKeys;
    private createData;
    private createLine;
}