export declare class SandboxLauncher {
    private nextProcess;
    private wsProcess;
    private socket;
    private sandboxPath;
    constructor();
    launch(): Promise<void>;
    private checkSandboxExists;
    private checkDependencies;
    private installDependencies;
    private startWebSocketServer;
    private startNextServer;
    private setupCleanupHandlers;
    private cleanup;
    sendStyleUpdate(selector: string, styles: Record<string, string>, component?: string): Promise<void>;
    resetStyles(): Promise<void>;
}