28 files changed, 64 insertions, 2 deletions
diff --git a/absl/time/internal/cctz/include/cctz/civil_time.h b/absl/time/internal/cctz/include/cctz/civil_time.h
index 898222b4..31a28cb7 100644
--- a/absl/time/internal/cctz/include/cctz/civil_time.h
+++ b/absl/time/internal/cctz/include/cctz/civil_time.h
@@ -18,6 +18,7 @@
 #include "absl/time/internal/cctz/include/cctz/civil_time_detail.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -324,6 +325,7 @@ using detail::get_yearday;
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_CIVIL_TIME_H_
diff --git a/absl/time/internal/cctz/include/cctz/civil_time_detail.h b/absl/time/internal/cctz/include/cctz/civil_time_detail.h
index d52eddcd..78d1db1c 100644
--- a/absl/time/internal/cctz/include/cctz/civil_time_detail.h
+++ b/absl/time/internal/cctz/include/cctz/civil_time_detail.h
@@ -32,6 +32,7 @@
 #endif
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -555,6 +556,7 @@ std::ostream& operator<<(std::ostream& os, weekday wd);
 }  // namespace detail
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #undef CONSTEXPR_M
diff --git a/absl/time/internal/cctz/include/cctz/time_zone.h b/absl/time/internal/cctz/include/cctz/time_zone.h
index 31abc2c4..52d69384 100644
--- a/absl/time/internal/cctz/include/cctz/time_zone.h
+++ b/absl/time/internal/cctz/include/cctz/time_zone.h
@@ -28,6 +28,7 @@
 #include "absl/time/internal/cctz/include/cctz/civil_time.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -311,6 +312,7 @@ inline bool parse(const std::string& fmt, const std::string& input,
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_H_
diff --git a/absl/time/internal/cctz/include/cctz/zone_info_source.h b/absl/time/internal/cctz/include/cctz/zone_info_source.h
index 4d9d8f87..b72a02cf 100644
--- a/absl/time/internal/cctz/include/cctz/zone_info_source.h
+++ b/absl/time/internal/cctz/include/cctz/zone_info_source.h
@@ -21,6 +21,7 @@
 #include <string>
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -35,9 +36,11 @@ class ZoneInfoSource {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz_extension {
 
@@ -86,6 +89,7 @@ extern ZoneInfoSourceFactory zone_info_source_factory;
 
 }  // namespace cctz_extension
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_ZONE_INFO_SOURCE_H_
diff --git a/absl/time/internal/cctz/src/civil_time_detail.cc b/absl/time/internal/cctz/src/civil_time_detail.cc
index 780d5c96..92a2e09c 100644
--- a/absl/time/internal/cctz/src/civil_time_detail.cc
+++ b/absl/time/internal/cctz/src/civil_time_detail.cc
@@ -19,6 +19,7 @@
 #include <sstream>
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 namespace detail {
@@ -87,4 +88,5 @@ std::ostream& operator<<(std::ostream& os, weekday wd) {
 }  // namespace detail
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/civil_time_test.cc b/absl/time/internal/cctz/src/civil_time_test.cc
index f6648c8f..d26c6498 100644
--- a/absl/time/internal/cctz/src/civil_time_test.cc
+++ b/absl/time/internal/cctz/src/civil_time_test.cc
@@ -23,6 +23,7 @@
 #include "gtest/gtest.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -1046,4 +1047,5 @@ TEST(CivilTime, FirstThursdayInMonth) {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_fixed.cc b/absl/time/internal/cctz/src/time_zone_fixed.cc
index 65eba356..4b608f68 100644
--- a/absl/time/internal/cctz/src/time_zone_fixed.cc
+++ b/absl/time/internal/cctz/src/time_zone_fixed.cc
@@ -21,6 +21,7 @@
 #include <string>
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -120,4 +121,5 @@ std::string FixedOffsetToAbbr(const sys_seconds& offset) {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_fixed.h b/absl/time/internal/cctz/src/time_zone_fixed.h
index 7c9d11db..15e9db1e 100644
--- a/absl/time/internal/cctz/src/time_zone_fixed.h
+++ b/absl/time/internal/cctz/src/time_zone_fixed.h
@@ -20,6 +20,7 @@
 #include "absl/time/internal/cctz/include/cctz/time_zone.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -44,6 +45,7 @@ std::string FixedOffsetToAbbr(const sys_seconds& offset);
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_FIXED_H_
diff --git a/absl/time/internal/cctz/src/time_zone_format.cc b/absl/time/internal/cctz/src/time_zone_format.cc
index 6d5ccba1..0efbbc79 100644
--- a/absl/time/internal/cctz/src/time_zone_format.cc
+++ b/absl/time/internal/cctz/src/time_zone_format.cc
@@ -38,6 +38,7 @@
 #include "time_zone_if.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 namespace detail {
@@ -845,4 +846,5 @@ bool parse(const std::string& format, const std::string& input,
 }  // namespace detail
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_format_test.cc b/absl/time/internal/cctz/src/time_zone_format_test.cc
index 7d5b02ad..649e9b9a 100644
--- a/absl/time/internal/cctz/src/time_zone_format_test.cc
+++ b/absl/time/internal/cctz/src/time_zone_format_test.cc
@@ -34,6 +34,7 @@ using std::chrono::hours;
 using testing::HasSubstr;
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -1409,4 +1410,5 @@ TEST(FormatParse, RoundTripDistantPast) {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_if.cc b/absl/time/internal/cctz/src/time_zone_if.cc
index 380834a1..d289a5c9 100644
--- a/absl/time/internal/cctz/src/time_zone_if.cc
+++ b/absl/time/internal/cctz/src/time_zone_if.cc
@@ -17,6 +17,7 @@
 #include "time_zone_libc.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -38,4 +39,5 @@ TimeZoneIf::~TimeZoneIf() {}
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_if.h b/absl/time/internal/cctz/src/time_zone_if.h
index ce4da1b7..2d5f885d 100644
--- a/absl/time/internal/cctz/src/time_zone_if.h
+++ b/absl/time/internal/cctz/src/time_zone_if.h
@@ -24,6 +24,7 @@
 #include "absl/time/internal/cctz/include/cctz/time_zone.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -65,6 +66,7 @@ inline time_point<sys_seconds> FromUnixSeconds(std::int_fast64_t t) {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IF_H_
diff --git a/absl/time/internal/cctz/src/time_zone_impl.cc b/absl/time/internal/cctz/src/time_zone_impl.cc
index b3f635f7..3ba40ac2 100644
--- a/absl/time/internal/cctz/src/time_zone_impl.cc
+++ b/absl/time/internal/cctz/src/time_zone_impl.cc
@@ -22,6 +22,7 @@
 #include "time_zone_fixed.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -114,4 +115,5 @@ const time_zone::Impl* time_zone::Impl::UTCImpl() {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_impl.h b/absl/time/internal/cctz/src/time_zone_impl.h
index 2c1c30b6..a955e40e 100644
--- a/absl/time/internal/cctz/src/time_zone_impl.h
+++ b/absl/time/internal/cctz/src/time_zone_impl.h
@@ -24,6 +24,7 @@
 #include "time_zone_info.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -92,6 +93,7 @@ class time_zone::Impl {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IMPL_H_
diff --git a/absl/time/internal/cctz/src/time_zone_info.cc b/absl/time/internal/cctz/src/time_zone_info.cc
index 20bba28b..7f5a8fad 100644
--- a/absl/time/internal/cctz/src/time_zone_info.cc
+++ b/absl/time/internal/cctz/src/time_zone_info.cc
@@ -50,6 +50,7 @@
 #include "time_zone_posix.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -953,4 +954,5 @@ bool TimeZoneInfo::PrevTransition(time_point<sys_seconds>* tp) const {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_info.h b/absl/time/internal/cctz/src/time_zone_info.h
index b4d1696b..5abf2811 100644
--- a/absl/time/internal/cctz/src/time_zone_info.h
+++ b/absl/time/internal/cctz/src/time_zone_info.h
@@ -28,6 +28,7 @@
 #include "tzfile.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -127,6 +128,7 @@ class TimeZoneInfo : public TimeZoneIf {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_INFO_H_
diff --git a/absl/time/internal/cctz/src/time_zone_libc.cc b/absl/time/internal/cctz/src/time_zone_libc.cc
index b0b56a52..32a7a927 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.cc
+++ b/absl/time/internal/cctz/src/time_zone_libc.cc
@@ -27,6 +27,7 @@
 #include "absl/time/internal/cctz/include/cctz/time_zone.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -153,4 +154,5 @@ bool TimeZoneLibC::PrevTransition(time_point<sys_seconds>* tp) const {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_libc.h b/absl/time/internal/cctz/src/time_zone_libc.h
index 41f7dde2..0856b200 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.h
+++ b/absl/time/internal/cctz/src/time_zone_libc.h
@@ -20,6 +20,7 @@
 #include "time_zone_if.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -45,6 +46,7 @@ class TimeZoneLibC : public TimeZoneIf {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_LIBC_H_
diff --git a/absl/time/internal/cctz/src/time_zone_lookup.cc b/absl/time/internal/cctz/src/time_zone_lookup.cc
index d549d862..18d1565f 100644
--- a/absl/time/internal/cctz/src/time_zone_lookup.cc
+++ b/absl/time/internal/cctz/src/time_zone_lookup.cc
@@ -28,6 +28,7 @@
 #include "time_zone_impl.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -142,4 +143,5 @@ time_zone local_time_zone() {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_lookup_test.cc b/absl/time/internal/cctz/src/time_zone_lookup_test.cc
index 06b172a8..a1b6c687 100644
--- a/absl/time/internal/cctz/src/time_zone_lookup_test.cc
+++ b/absl/time/internal/cctz/src/time_zone_lookup_test.cc
@@ -34,6 +34,7 @@ using std::chrono::minutes;
 using std::chrono::hours;
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -1258,4 +1259,5 @@ TEST(TimeZoneEdgeCase, UTC5DigitYear) {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_posix.cc b/absl/time/internal/cctz/src/time_zone_posix.cc
index 75ad8bcb..b6cf2875 100644
--- a/absl/time/internal/cctz/src/time_zone_posix.cc
+++ b/absl/time/internal/cctz/src/time_zone_posix.cc
@@ -20,6 +20,7 @@
 #include <string>
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -152,4 +153,5 @@ bool ParsePosixSpec(const std::string& spec, PosixTimeZone* res) {
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/cctz/src/time_zone_posix.h b/absl/time/internal/cctz/src/time_zone_posix.h
index 6619f27e..91443a21 100644
--- a/absl/time/internal/cctz/src/time_zone_posix.h
+++ b/absl/time/internal/cctz/src/time_zone_posix.h
@@ -56,6 +56,7 @@
 #include <string>
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -113,6 +114,7 @@ bool ParsePosixSpec(const std::string& spec, PosixTimeZone* res);
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_POSIX_H_
diff --git a/absl/time/internal/cctz/src/zone_info_source.cc b/absl/time/internal/cctz/src/zone_info_source.cc
index b77c0a58..a73e1c92 100644
--- a/absl/time/internal/cctz/src/zone_info_source.cc
+++ b/absl/time/internal/cctz/src/zone_info_source.cc
@@ -15,6 +15,7 @@
 #include "absl/time/internal/cctz/include/cctz/zone_info_source.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz {
 
@@ -23,9 +24,11 @@ ZoneInfoSource::~ZoneInfoSource() {}
 
 }  // namespace cctz
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz_extension {
 
@@ -52,11 +55,11 @@ ZoneInfoSourceFactory default_factory = DefaultFactory;
 #if defined(_M_IX86)
 #pragma comment( \
     linker,      \
-    "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZA=?default_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZA")
+    "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@lts_2018_06_20@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@6@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@6@@ZA=?default_factory@cctz_extension@time_internal@lts_2018_06_20@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@6@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@6@@ZA")
 #elif defined(_M_IA_64) || defined(_M_AMD64)
 #pragma comment( \
     linker,      \
-    "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZEA=?default_factory@cctz_extension@time_internal@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@5@@ZEA")
+    "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@lts_2018_06_20@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@6@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@6@@ZEA=?default_factory@cctz_extension@time_internal@lts_2018_06_20@absl@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@6@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@U?$default_delete@VZoneInfoSource@cctz@time_internal@lts_2018_06_20@absl@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@6@@ZEA")
 #else
 #error Unsupported MSVC platform
 #endif
@@ -67,4 +70,5 @@ ZoneInfoSourceFactory zone_info_source_factory
 
 }  // namespace cctz_extension
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/get_current_time_ios.inc b/absl/time/internal/get_current_time_ios.inc
index f3db32bf..abd43cb4 100644
--- a/absl/time/internal/get_current_time_ios.inc
+++ b/absl/time/internal/get_current_time_ios.inc
@@ -26,6 +26,7 @@
 #endif
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 
 static int64_t GetCurrentTimeNanosFromSystem() {
@@ -77,4 +78,5 @@ static int64_t GetCurrentTimeNanosFromSystem() {
 }
 
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/get_current_time_posix.inc b/absl/time/internal/get_current_time_posix.inc
index 65474ca6..dfbcf8a6 100644
--- a/absl/time/internal/get_current_time_posix.inc
+++ b/absl/time/internal/get_current_time_posix.inc
@@ -7,6 +7,7 @@
 #include "absl/base/internal/raw_logging.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 
 static int64_t GetCurrentTimeNanosFromSystem() {
@@ -19,4 +20,5 @@ static int64_t GetCurrentTimeNanosFromSystem() {
 }
 
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/get_current_time_windows.inc b/absl/time/internal/get_current_time_windows.inc
index b22a9c9e..273d2d80 100644
--- a/absl/time/internal/get_current_time_windows.inc
+++ b/absl/time/internal/get_current_time_windows.inc
@@ -4,6 +4,7 @@
 #include <cstdint>
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 
 static int64_t GetCurrentTimeNanosFromSystem() {
@@ -14,4 +15,5 @@ static int64_t GetCurrentTimeNanosFromSystem() {
 }
 
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/test_util.cc b/absl/time/internal/test_util.cc
index bbbef7da..1cc89b5e 100644
--- a/absl/time/internal/test_util.cc
+++ b/absl/time/internal/test_util.cc
@@ -24,6 +24,7 @@
 namespace cctz = absl::time_internal::cctz;
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 
 #if GTEST_USES_SIMPLE_RE
@@ -39,9 +40,11 @@ TimeZone LoadTimeZone(const std::string& name) {
 }
 
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 namespace cctz_extension {
 namespace {
@@ -126,4 +129,5 @@ ZoneInfoSourceFactory zone_info_source_factory = TestFactory;
 
 }  // namespace cctz_extension
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
diff --git a/absl/time/internal/test_util.h b/absl/time/internal/test_util.h
index 8fd5fb9f..fb65f9bd 100644
--- a/absl/time/internal/test_util.h
+++ b/absl/time/internal/test_util.h
@@ -41,6 +41,7 @@
   } while (0)
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 namespace time_internal {
 
 // A regular expression that matches all zone abbreviations (%Z).
@@ -50,6 +51,7 @@ extern const char kZoneAbbrRE[];
 absl::TimeZone LoadTimeZone(const std::string& name);
 
 }  // namespace time_internal
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_TIME_INTERNAL_TEST_UTIL_H_