CallbackHandler.h contains this example code.
#import <Foundation/Foundation.h>
#import "SUPDefaultCallbackHandler.h"
@interface CallbackHandler : SUPDefaultCallbackHandler
{
}
- (void)onReplayFailure:(id)theObject;
- (void)onReplaySuccess:(id)theObject;
- (void)onLoginFailure;
- (void)onLoginSuccess;
- (void)onSubscribeSuccess;
- (void)onSubscribeFailure;
- (void)onImportSuccess;
- (void)onConnectionStatusChange:(SUPDeviceConnectionStatus)connStatus:(SUPDeviceConnectionType)connType:(int32_t)errCode:(NSString*)errString;
@end