=== private helper funcs (_prefix) ===
255:async def _geo_identify(
292:async def _wms_abgedeckt(
332:async def _opendata_dataset_info(client: httpx.AsyncClient, dataset_id: str) -> dict[str, Any]:
340:def _point_to_envelope(east: float, north: float, tolerance: int = 100) -> str:
345:def _wgs84_to_lv95_approx(lat: float, lon: float) -> tuple[float, float]:
371:def _handle_api_error(e: Exception) -> str:
