export interface ServerStatus {
    running: boolean;
    pid?: number;
    port: number;
    uptimeSeconds?: number;
    tabsCount: number;
}
export declare class ServerManager {
    private readonly port;
    private readonly camofoxDir;
    private readonly pidFilePath;
    private readonly logFilePath;
    constructor(port?: number);
    static getPort(overridePort?: number): number;
    ensureRunning(): Promise<void>;
    startDaemon(options?: {
        idleTimeoutMs?: number;
        idleExitTimeoutMs?: number;
        port?: number;
    }): Promise<void>;
    stopDaemon(): Promise<void>;
    status(): Promise<ServerStatus>;
    isRunning(): Promise<boolean>;
    waitForReady(): Promise<void>;
    private fetchHealth;
    private ensureDirectories;
    private readPid;
    private writePidFileAtomic;
    private cleanupPidFile;
    private isPidAlive;
    private delay;
    private isPortInUse;
    private static isValidPort;
}
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