import { commandExists } from './exec.js';
import type { ServiceStatus, SystemdUnit, GmailServiceInfo, TunnelInfo, HooksProxyInfo, GCloudProject } from '../types.js';
export { commandExists };
export declare function isLinux(): boolean;
export declare function isRoot(): boolean;
export declare function getOS(): Promise<string>;
export declare function isDebianBased(): Promise<boolean>;
export declare function getVersion(cmd: string, versionFlag?: string): Promise<string | null>;
export declare function checkCommands(cmds: string[]): Promise<Record<string, boolean>>;
export declare function getUsedPorts(): Promise<Set<number>>;
export declare function findNextPort(startPort?: number): Promise<number>;
export declare function isPortFree(port: number): Promise<boolean>;
export declare function getServiceStatus(name: string): Promise<ServiceStatus>;
export declare function isServiceRunning(name: string): Promise<boolean>;
export declare function listSystemdServices(pattern?: string): Promise<SystemdUnit[]>;
export declare function readSystemdService(name: string): Promise<string | null>;
export declare function writeSystemdService(name: string, content: string): Promise<void>;
export declare function enableAndStartService(name: string): Promise<void>;
export declare function restartService(name: string): Promise<void>;
export declare function detectGmailServices(): Promise<string[]>;
export declare function parseGmailServiceInfo(serviceFile: string): Promise<GmailServiceInfo | null>;
export declare function detectCloudflaredToken(): Promise<string | null>;
export declare function parseTunnelToken(token: string): TunnelInfo | null;
export declare function detectHooksProxyInfo(): Promise<HooksProxyInfo | null>;
export declare function gcloudListProjects(): Promise<GCloudProject[]>;
export declare function gcloudGetCurrentProject(): Promise<string | null>;
export declare function gcloudIsAuthenticated(): Promise<boolean>;
export declare function gcloudGetActiveAccount(): Promise<string | null>;
export declare function getPublicIP(): Promise<string | null>;
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