#import "MGLMapView.h" NS_ASSUME_NONNULL_BEGIN typedef void (^MGLCustomStyleLayerPreparationHandler)(void); typedef void (^MGLCustomStyleLayerDrawingHandler)(CGSize size, CLLocationCoordinate2D centerCoordinate, double zoomLevel, CLLocationDirection direction, CGFloat pitch, CGFloat perspectiveSkew); typedef void (^MGLCustomStyleLayerCompletionHandler)(void); @interface MGLMapView (MGLCustomStyleLayerAdditions) - (void)insertCustomStyleLayerWithIdentifier:(NSString *)identifier preparationHandler:(MGLCustomStyleLayerPreparationHandler)preparation drawingHandler:(MGLCustomStyleLayerDrawingHandler)drawing completionHandler:(MGLCustomStyleLayerCompletionHandler)completion belowStyleLayerWithIdentifier:(nullable NSString *)otherIdentifier; - (void)removeCustomStyleLayerWithIdentifier:(NSString *)identifier; - (void)setCustomStyleLayersNeedDisplay; @end NS_ASSUME_NONNULL_END