import type { IHostnameRegistrarPort, HostnameRegistrarStatus, HostnameChangeResult } from '../../application/ports/outbound/IHostnameRegistrarPort.js';
export interface AvahiHostnameRegistrarOptions {
    /**
     * sudo password (the CLI's --sudo-password / MCCTL_SUDO_PASSWORD / prompt,
     * the API request's sudoPassword). Given: `sudo -S -p '' -v` reads it on
     * stdin first. Absent or empty (the console sends ''): `sudo -n` relies on
     * NOPASSWD or cached credentials.
     */
    sudoPassword?: string;
    /** Default /etc/avahi/hosts (the path the README sudoers lines name). */
    hostsFile?: string;
}
/** Run argv (no shell) with optional stdin; resolves the exit code (-1 when it cannot start). */
/** @internal exported for tests */
export declare function run(cmd: string, args: string[], input?: string): Promise<number>;
/**
 * avahi-daemon (mDNS) on the host OS, independent of the container runtime (ADR-0001).
 */
export declare class AvahiHostnameRegistrarAdapter implements IHostnameRegistrarPort {
    private readonly hostsFile;
    private readonly sudoPassword?;
    constructor(options?: AvahiHostnameRegistrarOptions);
    /**
     * Get avahi-daemon status
     */
    getStatus(): HostnameRegistrarStatus;
    /**
     * Append `<ip> <hostname>` to the avahi hosts file and restart avahi-daemon,
     * with exactly the commands the README sudoers lines allow:
     * `sudo -n tee -a /etc/avahi/hosts`, `sudo -n systemctl restart avahi-daemon`.
     */
    register(hostname: string, ip: string): Promise<HostnameChangeResult>;
    /**
     * Remove the lines that list exactly `hostname` before any comment, then
     * restart avahi-daemon, with the commands the README sudoers lines allow
     * (#751): `sudo -n sed -i <expr> /etc/avahi/hosts`, `sudo -n systemctl
     * restart avahi-daemon`. GNU sed -i renames a temp file, so a failure
     * leaves the file intact; avahi is Linux-only.
     */
    unregister(hostname: string): Promise<HostnameChangeResult>;
    /** With a password, `sudo -S -p '' -v` reads it on stdin, so the commands that follow never see it (#682). */
    private authenticate;
}
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