from typing import Dict, Any, Optional, List


def auto_refresh_visualizations(
    dashboard_name: str,
    refresh_interval_minutes: int = 60,
    data_sources: Optional[List[str]] = None,
    notify_on_refresh: bool = False
) -> Dict[str, Any]:
    """
    Auto-refresh Visualizations (placeholder intent)
    """
    return {
        "type": "automation_auto_refresh_visualizations",
        "dashboard_name": dashboard_name,
        "refresh_interval_minutes": refresh_interval_minutes,
        "data_sources": data_sources or [],
        "options": {"notify_on_refresh": notify_on_refresh},
        "preview": {"will_schedule": True},
    }
