Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/objectivec/GPBUnknownField.h

Index: third_party/protobuf/objectivec/GPBUnknownField.h
diff --git a/third_party/protobuf/objectivec/GPBUnknownField.h b/third_party/protobuf/objectivec/GPBUnknownField.h
index a135cc203183dc213ec97915008b9e2ae96c6bda..0f301e47839ef4890c6816ac722f40ded91fdcff 100644
--- a/third_party/protobuf/objectivec/GPBUnknownField.h
+++ b/third_party/protobuf/objectivec/GPBUnknownField.h
@@ -36,59 +36,52 @@
 @class GPBUnknownFieldSet;
 
 NS_ASSUME_NONNULL_BEGIN
-/**
- * Store an unknown field. These are used in conjunction with
- * GPBUnknownFieldSet.
- **/
+
+/// Store an unknown field. These are used in conjunction with @c GPBUnknownFieldSet
 @interface GPBUnknownField : NSObject<NSCopying>
 
-/** The field number the data is stored under. */
+/// The field number the data is stored under.
 @property(nonatomic, readonly, assign) int32_t number;
 
-/** An array of varint values for this field. */
+/// An array of varint values for this field.
 @property(nonatomic, readonly, strong) GPBUInt64Array *varintList;
 
-/** An array of fixed32 values for this field. */
+/// An array of fixed32 values for this field.
 @property(nonatomic, readonly, strong) GPBUInt32Array *fixed32List;
 
-/** An array of fixed64 values for this field. */
+/// An array of fixed64 values for this field.
 @property(nonatomic, readonly, strong) GPBUInt64Array *fixed64List;
 
-/** An array of data values for this field. */
+/// An array of data values for this field.
 @property(nonatomic, readonly, strong) NSArray<NSData*> *lengthDelimitedList;
 
-/** An array of groups of values for this field. */
+/// An array of groups of values for this field.
 @property(nonatomic, readonly, strong) NSArray<GPBUnknownFieldSet*> *groupList;
 
-/**
- * Add a value to the varintList.
- *
- * @param value The value to add.
- **/
+
+/// Add a value to the varintList.
+///
+/// @param value The value to add.
 - (void)addVarint:(uint64_t)value;
-/**
- * Add a value to the fixed32List.
- *
- * @param value The value to add.
- **/
+
+/// Add a value to the fixed32List.
+///
+/// @param value The value to add.
 - (void)addFixed32:(uint32_t)value;
-/**
- * Add a value to the fixed64List.
- *
- * @param value The value to add.
- **/
+
+/// Add a value to the fixed64List.
+///
+/// @param value The value to add.
 - (void)addFixed64:(uint64_t)value;
-/**
- * Add a value to the lengthDelimitedList.
- *
- * @param value The value to add.
- **/
+
+/// Add a value to the lengthDelimitedList.
+///
+/// @param value The value to add.
 - (void)addLengthDelimited:(NSData *)value;
-/**
- * Add a value to the groupList.
- *
- * @param value The value to add.
- **/
+
+/// Add a value to the groupList.
+///
+/// @param value The value to add.
 - (void)addGroup:(GPBUnknownFieldSet *)value;
 
 @end