--- /dev/null
+//
+// DeviceSimulatorProtocol.h
+// DeviceSimulator
+//
+
+#import <Foundation/Foundation.h>
+
+typedef void (^MDNComplete)(NSDictionary * returnedValues, NSError *error);
+
+@protocol MultiDeviceNetworkingCallbackProtocol
+- (void)MDNCItemsChanged:(NSDictionary *)values complete:(MDNComplete)complete;
+@end
+
+@protocol MultiDeviceNetworkingProtocol
+
+- (void)MDNRegisterCallback:(NSXPCListenerEndpoint *)callback complete:(MDNComplete)complete;
+- (void)MDNCloudPut:(NSDictionary *)values complete:(MDNComplete)complete;
+- (void)MDNCloudsynchronizeAndWait:(NSDictionary *)values complete:(MDNComplete)complete;
+- (void)MDNCloudGet:(NSArray *)keys complete:(MDNComplete)complete;
+- (void)MDNCloudGetAll:(MDNComplete)complete;
+- (void)MDNCloudRemoveKeys:(NSArray<NSString *> *)keys complete:(MDNComplete)complete;
+- (void)MDNCloudFlush:(MDNComplete)complete;
+
+@end
+
+