#import "MGLAnnotationImage.h" NS_ASSUME_NONNULL_BEGIN @protocol MGLAnnotationImageDelegate @required - (void)annotationImageNeedsRedisplay:(MGLAnnotationImage *)annotationImage; @end @interface MGLAnnotationImage (Private) /// Unique identifier of the sprite image used by the style to represent the receiver’s `image`. @property (nonatomic, strong, nullable) NSString *styleIconIdentifier; @property (nonatomic, weak) id delegate; @end NS_ASSUME_NONNULL_END