8#import <CoreLocation/CoreLocation.h> 
    9#import <Foundation/Foundation.h> 
   12@protocol BMKAnnotation <NSObject, NSCopying>
 
   15@property (nonatomic, readonly) CLLocationCoordinate2D coordinate;
 
   23- (NSString *)subtitle;
 
   27- (void)setCoordinate:(CLLocationCoordinate2D)newCoordinate;