9 #import <Foundation/Foundation.h>
15 - (void)onEvent:(NSString * __nullable)provider
16 extension:(NSString * __nullable)extension
17 key:(NSString * __nullable)key
18 value:(NSString * __nullable)value;
20 - (void)onExtensionStopped:(NSString * __nullable)provider
21 extension:(NSString * __nullable)extension;
23 - (void)onExtensionStarted:(NSString * __nullable)provider
24 extension:(NSString * __nullable)extension;
26 - (void)onExtensionErrored:(NSString * __nullable)provider
27 extension:(NSString * __nullable)extension
29 message:(NSString * __nullable)message;