import { Repository } from 'typeorm';
import { BiometricLogEntry } from './dto/sync-logs.dto';
import { Attendance } from 'src/attendance/attendance.entity';
export declare class BiometricExcelService {
    private attendanceRepo;
    constructor(attendanceRepo: Repository<Attendance>);
    parseExcel(fileBuffer: Buffer): Promise<BiometricLogEntry[]>;
    saveLogs(logs: BiometricLogEntry[]): Promise<void>;
}