import * as i0 from "@angular/core";
export declare class ExcelService {
    constructor();
    readFileExcelToJson(file: File): Promise<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ExcelService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ExcelService>;
}