import { ElementRef } from '@angular/core';
import { Observable } from 'rxjs';
import { SharepointService } from './sharepoint.service';
export declare class ExcelService {
    private sharePointService;
    constructor(sharePointService: SharepointService);
    read(file$: Observable<any>, url: string, sheetNames: string[], subsite?: string, options?: {
        header?: any;
        range?: number;
        defVal?: any;
    }[]): Observable<{}>;
    exportTableToExcel(tableElementRef: ElementRef, fileName: string, sheetName?: string, replace?: string[]): void;
}