Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h

Index: third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h
diff --git a/third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h b/third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h
index 9c83d0945e496691d99b0f6c6dbf5a19648f3338..925dca840b587ff13798d98de4fb5ee0ffbb2e8a 100644
--- a/third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h
+++ b/third_party/protobuf/objectivec/google/protobuf/Timestamp.pbobjc.h
@@ -1,23 +1,10 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/protobuf/timestamp.proto
 
-// This CPP symbol can be defined to use imports that match up to the framework
-// imports needed when using CocoaPods.
-#if !defined(GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS)
- #define GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS 0
-#endif
-
-#if GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS
- #import <Protobuf/GPBProtocolBuffers.h>
-#else
- #import "GPBProtocolBuffers.h"
-#endif
+#import "GPBProtocolBuffers.h"
 
-#if GOOGLE_PROTOBUF_OBJC_VERSION < 30002
-#error This file was generated by a newer version of protoc which is incompatible with your Protocol Buffer library sources.
-#endif
-#if 30002 < GOOGLE_PROTOBUF_OBJC_MIN_SUPPORTED_VERSION
-#error This file was generated by an older version of protoc which is incompatible with your Protocol Buffer library sources.
+#if GOOGLE_PROTOBUF_OBJC_GEN_VERSION != 30001
+#error This file was generated by a different version of protoc which is incompatible with your Protocol Buffer library sources.
 #endif
 
 // @@protoc_insertion_point(imports)
@@ -31,16 +18,14 @@ NS_ASSUME_NONNULL_BEGIN
 
 #pragma mark - GPBTimestampRoot
 
-/**
- * Exposes the extension registry for this file.
- *
- * The base class provides:
- * @code
- *   + (GPBExtensionRegistry *)extensionRegistry;
- * @endcode
- * which is a @c GPBExtensionRegistry that includes all the extensions defined by
- * this file and all files that it depends on.
- **/
+/// Exposes the extension registry for this file.
+///
+/// The base class provides:
+/// @code
+///   + (GPBExtensionRegistry *)extensionRegistry;
+/// @endcode
+/// which is a @c GPBExtensionRegistry that includes all the extensions defined by
+/// this file and all files that it depends on.
 @interface GPBTimestampRoot : GPBRootObject
 @end
 
@@ -51,74 +36,70 @@ typedef GPB_ENUM(GPBTimestamp_FieldNumber) {
   GPBTimestamp_FieldNumber_Nanos = 2,
 };
 
-/**
- * A Timestamp represents a point in time independent of any time zone
- * or calendar, represented as seconds and fractions of seconds at
- * nanosecond resolution in UTC Epoch time. It is encoded using the
- * Proleptic Gregorian Calendar which extends the Gregorian calendar
- * backwards to year one. It is encoded assuming all minutes are 60
- * seconds long, i.e. leap seconds are "smeared" so that no leap second
- * table is needed for interpretation. Range is from
- * 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z.
- * By restricting to that range, we ensure that we can convert to
- * and from  RFC 3339 date strings.
- * See [https://www.ietf.org/rfc/rfc3339.txt](https://www.ietf.org/rfc/rfc3339.txt).
- *
- * Example 1: Compute Timestamp from POSIX `time()`.
- *
- *     Timestamp timestamp;
- *     timestamp.set_seconds(time(NULL));
- *     timestamp.set_nanos(0);
- *
- * Example 2: Compute Timestamp from POSIX `gettimeofday()`.
- *
- *     struct timeval tv;
- *     gettimeofday(&tv, NULL);
- *
- *     Timestamp timestamp;
- *     timestamp.set_seconds(tv.tv_sec);
- *     timestamp.set_nanos(tv.tv_usec * 1000);
- *
- * Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
- *
- *     FILETIME ft;
- *     GetSystemTimeAsFileTime(&ft);
- *     UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
- *
- *     // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
- *     // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
- *     Timestamp timestamp;
- *     timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
- *     timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
- *
- * Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
- *
- *     long millis = System.currentTimeMillis();
- *
- *     Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
- *         .setNanos((int) ((millis % 1000) * 1000000)).build();
- *
- *
- * Example 5: Compute Timestamp from current time in Python.
- *
- *     timestamp = Timestamp()
- *     timestamp.GetCurrentTime()
- **/
+/// A Timestamp represents a point in time independent of any time zone
+/// or calendar, represented as seconds and fractions of seconds at
+/// nanosecond resolution in UTC Epoch time. It is encoded using the
+/// Proleptic Gregorian Calendar which extends the Gregorian calendar
+/// backwards to year one. It is encoded assuming all minutes are 60
+/// seconds long, i.e. leap seconds are "smeared" so that no leap second
+/// table is needed for interpretation. Range is from
+/// 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z.
+/// By restricting to that range, we ensure that we can convert to
+/// and from  RFC 3339 date strings.
+/// See [https://www.ietf.org/rfc/rfc3339.txt](https://www.ietf.org/rfc/rfc3339.txt).
+///
+/// Example 1: Compute Timestamp from POSIX `time()`.
+///
+///     Timestamp timestamp;
+///     timestamp.set_seconds(time(NULL));
+///     timestamp.set_nanos(0);
+///
+/// Example 2: Compute Timestamp from POSIX `gettimeofday()`.
+///
+///     struct timeval tv;
+///     gettimeofday(&tv, NULL);
+///
+///     Timestamp timestamp;
+///     timestamp.set_seconds(tv.tv_sec);
+///     timestamp.set_nanos(tv.tv_usec * 1000);
+///
+/// Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
+///
+///     FILETIME ft;
+///     GetSystemTimeAsFileTime(&ft);
+///     UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
+///
+///     // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
+///     // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
+///     Timestamp timestamp;
+///     timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
+///     timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
+///
+/// Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
+///
+///     long millis = System.currentTimeMillis();
+///
+///     Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
+///         .setNanos((int) ((millis % 1000) * 1000000)).build();
+///
+///
+/// Example 5: Compute Timestamp from current time in Python.
+///
+///     now = time.time()
+///     seconds = int(now)
+///     nanos = int((now - seconds) * 10**9)
+///     timestamp = Timestamp(seconds=seconds, nanos=nanos)
 @interface GPBTimestamp : GPBMessage
 
-/**
- * Represents seconds of UTC time since Unix epoch
- * 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
- * 9999-12-31T23:59:59Z inclusive.
- **/
+/// Represents seconds of UTC time since Unix epoch
+/// 1970-01-01T00:00:00Z. Must be from from 0001-01-01T00:00:00Z to
+/// 9999-12-31T23:59:59Z inclusive.
 @property(nonatomic, readwrite) int64_t seconds;
 
-/**
- * Non-negative fractions of a second at nanosecond resolution. Negative
- * second values with fractions must still have non-negative nanos values
- * that count forward in time. Must be from 0 to 999,999,999
- * inclusive.
- **/
+/// Non-negative fractions of a second at nanosecond resolution. Negative
+/// second values with fractions must still have non-negative nanos values
+/// that count forward in time. Must be from 0 to 999,999,999
+/// inclusive.
 @property(nonatomic, readwrite) int32_t nanos;
 
 @end