import { DingtalkYidaService } from '../sdk/dingtalk-yida.service';
import { DingtalkAttendanceService } from '../sdk/dingtalk-attendance.service';
import { SyncExecutionResult } from './business-trip-sync.service';
export declare class LeaveExtensionSyncService {
    private yidaService;
    private attendanceService;
    constructor(yidaService: DingtalkYidaService, attendanceService: DingtalkAttendanceService);
    sync(fromTime?: string, toTime?: string, userId?: string): Promise<SyncExecutionResult>;
    private formatTimestamp;
}