import { ElementRef, OnChanges, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ExcelViewerComponent implements OnChanges {
    private eleRef;
    /** excel文件地址 */
    ncUrl: string;
    /** 是否显示工作表名称 */
    private _sheetName;
    set ncSheetName(value: boolean | string);
    get ncSheetName(): boolean;
    constructor(eleRef: ElementRef);
    ngOnChanges(changes: SimpleChanges): void;
    renderExcelDocument(): Promise<void>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ExcelViewerComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ExcelViewerComponent, "nc-excel-viewer", never, { "ncUrl": "ncUrl"; "ncSheetName": "ncSheetName"; }, {}, never, never>;
}