class Dashboard:
    """Stub for visualization dashboard. To be implemented."""
    def __init__(self, *args, **kwargs):
        pass

    def create_experiment_dashboard(self, experiment_id):
        raise NotImplementedError("Dashboard creation is not yet implemented.")

    def create_metrics_dashboard(self, experiment_id):
        raise NotImplementedError("Metrics dashboard is not yet implemented.")

    def create_optimization_dashboard(self, experiment_id):
        raise NotImplementedError("Optimization dashboard is not yet implemented.") 