@interface DJIWaypointDownloadProgress : NSObject
The download progress of the waypoint mission operator.
@property(nonatomic, readonly) NSUInteger totalWaypointCount
The total count of waypoints in the waypoint mission.
@property(nonatomic, readonly) NSInteger downloadedWaypointIndex
The index of the last downloaded waypoint. Information for each waypoint is downloaded one by one in ascending order. If no waypoint has been downloaded, the value will be -1.