export declare class ExcelBinaryReaderHelper {
    static excelNumberToDate(excelSerialDate: number): Date;
    static binaryToObject(binaryData: any): any[];
    static binaryToObject2(binaryData: any, blankRows?: boolean): any[];
    static binaryToObjectFull(binaryData: any, blankRows?: boolean, sheetNum?: number): any[];
}