@class NSString; @interface CalDefaultMigrationABCReporter : NSObject <CalMigrationABCReporter> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedInstance; - (void)reportIssueWithType:(id)a0 subtype:(id)a1 context:(id)a2 events:(id)a3; @end