export declare class HealthService {
    checkDatabase(): Promise<{
        database: string;
        error?: undefined;
    } | {
        database: string;
        error: any;
    }>;
    getHealthStatus(): Promise<{
        status: string;
        services: {
            database: {
                database: string;
                error?: undefined;
            } | {
                database: string;
                error: any;
            };
        };
    }>;
}