Project import generated by Copybara.

GitOrigin-RevId: d89dba27e35462d7457121b978fd79214205e686
Change-Id: I0eae80578a93a580820bc90d42e6b42faf7fde0a
diff --git a/absl/algorithm/algorithm.h b/absl/algorithm/algorithm.h
index 3d65864..3a8f272 100644
--- a/absl/algorithm/algorithm.h
+++ b/absl/algorithm/algorithm.h
@@ -27,6 +27,7 @@
 #include <type_traits>
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 
 namespace algorithm_internal {
 
@@ -145,6 +146,7 @@
                    ForwardIterator>());
 }
 
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_ALGORITHM_ALGORITHM_H_
diff --git a/absl/algorithm/container.h b/absl/algorithm/container.h
index ebe3244..8eb10d7 100644
--- a/absl/algorithm/container.h
+++ b/absl/algorithm/container.h
@@ -54,6 +54,7 @@
 #include "absl/meta/type_traits.h"
 
 namespace absl {
+inline namespace lts_2018_06_20 {
 
 namespace container_algorithm_internal {
 
@@ -1637,6 +1638,7 @@
                           output_first, std::forward<BinaryOp>(op));
 }
 
+}  // inline namespace lts_2018_06_20
 }  // namespace absl
 
 #endif  // ABSL_ALGORITHM_CONTAINER_H_