import { OaAccountService } from '../chat/oa-account.service';
import { TenantConnectionManager } from '../tenant/tenant-connection.manager';
import { FacebookAuthService } from './facebook/facebook-auth.service';
export declare class OaAccountScheduler {
    private readonly oaAccountService;
    private readonly tenantConnectionManager;
    private readonly fbAuthService;
    private masterDataSource?;
    constructor(oaAccountService: OaAccountService, tenantConnectionManager: TenantConnectionManager, fbAuthService: FacebookAuthService);
    private getMasterDataSource;
    refreshExpiredTokens(): Promise<void>;
}