TencentNavKit

### - b -

- backupNavRoutes : TNKDriveNavManager
- backupRouteBubbleHidden : TNKDriveNavView, TNKTravelNavView
- beginTime : TNKLoggerRefluxOptions
- bigRoad : TNKDriveRouteSearchOption, TNKSearchPreferenceRerouteParam
- bkRecommendType : TNKDriveRoute
- borderColor : TNKNaviTrafficBarWidget, TNKTurnArrowConfig
- borderWidth : TNKNaviTrafficBarWidget
- bottomLeftCornerRadius : TNKEnlargedMapConfig
- bottomRightCornerRadius : TNKEnlargedMapConfig
- broadcastText : TNKRecommendRouteInfo
- bubbleImage : TNKODMarkerPresentation, TNKWaypointMarkerPresentation