export declare const configDir: string;
export declare const credentialsFilePath: string;
export declare function openBrowser(url: string): Promise<void>;
export declare function findFreeLoopbackPort(): Promise<number>;
export declare function currentPlatform(): "darwin" | "win32" | "linux" | "other";
export declare function onPosixSignal(signal: "SIGPIPE" | "SIGHUP" | "SIGUSR1" | "SIGUSR2" | "SIGQUIT", handler: () => void): void;