export interface ServiceConfig {
    relayauthRoot: string;
    relayfileRoot: string;
    secret: string;
    jwksUrl?: string;
    portAuth: number;
    portFile: number;
    logDir: string;
}
export declare function pickFirstString(values: Array<string | undefined>): string;
export declare function resolveServiceConfig(overrides?: Partial<ServiceConfig>): ServiceConfig;
export declare function healthCheck(port: number, timeout: number): Promise<boolean>;
export declare function startServices(config?: Partial<ServiceConfig>): Promise<{
    authPid: number;
    filePid: number;
}>;
export declare function stopServices(): Promise<void>;
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