Add nonnil markup to ObjC library.

Add the clang annotations to the objc library and generated code to help with Swift bridging and compiler checks.

1 files changed, 5 insertions, 2 deletions

diff --git a/objectivec/google/protobuf/Wrappers.pbobjc.h b/objectivec/google/protobuf/Wrappers.pbobjc.h
index 227d958e..b4718d02 100644
--- a/objectivec/google/protobuf/Wrappers.pbobjc.h
+++ b/objectivec/google/protobuf/Wrappers.pbobjc.h
@@ -11,6 +11,7 @@
 
 CF_EXTERN_C_BEGIN
 
+NS_ASSUME_NONNULL_BEGIN
 
 #pragma mark - GPBWrappersRoot
 
@@ -131,7 +132,7 @@ typedef GPB_ENUM(GPBStringValue_FieldNumber) {
 @interface GPBStringValue : GPBMessage
 
 // The string value.
-@property(nonatomic, readwrite, copy) NSString *value;
+@property(nonatomic, readwrite, copy, null_resettable) NSString *value;
 
 @end
 
@@ -145,10 +146,12 @@ typedef GPB_ENUM(GPBBytesValue_FieldNumber) {
 @interface GPBBytesValue : GPBMessage
 
 // The bytes value.
-@property(nonatomic, readwrite, copy) NSData *value;
+@property(nonatomic, readwrite, copy, null_resettable) NSData *value;
 
 @end
 
+NS_ASSUME_NONNULL_END
+
 CF_EXTERN_C_END
 
 // @@protoc_insertion_point(global_scope)