1 files changed, 23 insertions, 19 deletions
diff --git a/SmartDeviceLink/SDLPolicyDataParser.h b/SmartDeviceLink/SDLPolicyDataParser.h
index 4e005f9fe..cdc763b1e 100644
--- a/SmartDeviceLink/SDLPolicyDataParser.h
+++ b/SmartDeviceLink/SDLPolicyDataParser.h
@@ -4,28 +4,32 @@
 
 #import <Foundation/Foundation.h>
 
+NS_ASSUME_NONNULL_BEGIN
+
 @interface SDLPolicyDataParser : NSObject
 
-@property (assign) Byte protocolVersion;
-@property (assign) BOOL isResponseRequired;
-@property (assign) BOOL isHighBandwidth;
-@property (assign) BOOL isSigned;
-@property (assign) BOOL isEncrypted;
-@property (assign) BOOL hasESN;
-@property (assign) Byte serviceType;
-@property (assign) Byte commandType;
-@property (assign) BOOL CPUDestination;
-@property (assign) Byte encryptionKeyIndex;
-@property (assign) UInt32 payloadSize;
-@property (strong) NSData *ESN;
-@property (assign) UInt32 moduleMessageId;
-@property (assign) UInt32 serverMessageId;
-@property (assign) Byte messageStatus;
-@property (strong) NSData *initializationVector;
-@property (strong) NSData *payload;
-@property (strong) NSData *signatureTag;
+@property (assign, nonatomic) Byte protocolVersion;
+@property (assign, nonatomic) BOOL isResponseRequired;
+@property (assign, nonatomic) BOOL isHighBandwidth;
+@property (assign, nonatomic) BOOL isSigned;
+@property (assign, nonatomic) BOOL isEncrypted;
+@property (assign, nonatomic) BOOL hasESN;
+@property (assign, nonatomic) Byte serviceType;
+@property (assign, nonatomic) Byte commandType;
+@property (assign, nonatomic) BOOL CPUDestination;
+@property (assign, nonatomic) Byte encryptionKeyIndex;
+@property (assign, nonatomic) UInt32 payloadSize;
+@property (strong, nonatomic) NSData *ESN;
+@property (assign, nonatomic) UInt32 moduleMessageId;
+@property (assign, nonatomic) UInt32 serverMessageId;
+@property (assign, nonatomic) Byte messageStatus;
+@property (strong, nonatomic) NSData *initializationVector;
+@property (strong, nonatomic) NSData *payload;
+@property (strong, nonatomic) NSData *signatureTag;
 
-- (NSData *)unwrap:(NSData *)wrappedData;
+- (nullable NSData *)unwrap:(NSData *)wrappedData;
 - (void)parsePolicyData:(NSData *)data;
 
 @end
+
+NS_ASSUME_NONNULL_END