from typing import Optional, Dict, Any, List


class SimulateEngine:
    def __init__(self, config: Dict[str, Any]):
        self.config = config

    async def run(self) -> List[Dict[str, Any]]:
        raise NotImplementedError("Simulation engine not yet implemented")

    async def stop(self):
        raise NotImplementedError("Simulation stop not yet implemented")

    def get_signals(self) -> List[Dict[str, Any]]:
        raise NotImplementedError("Simulation signals not yet implemented")