boxArea property
final
Geographic rectangle area in which to provide the most relevant places.
For Offline Search, one of TextQueryArea.areaCenter, TextQueryArea.boxArea and TextQueryArea.circleArea has to be set,
otherwise it will result in SearchError.invalidArea.
Also, for Offline Search, search in a given GeoBox restricts the results to only POIs.
Implementation
final GeoBox? boxArea;