initial commit
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 07755ac..ecf0f51 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -453,6 +453,7 @@
                       'src/core/ext/census/gen/census.pb.h',
                       'src/core/ext/census/gen/trace_context.pb.h',
                       'src/core/ext/census/grpc_filter.h',
+                      'src/core/ext/census/intrusive_hash_map.h',
                       'src/core/ext/census/mlog.h',
                       'src/core/ext/census/resource.h',
                       'src/core/ext/census/rpc_metric_id.h',
@@ -692,6 +693,7 @@
                       'src/core/ext/census/grpc_filter.c',
                       'src/core/ext/census/grpc_plugin.c',
                       'src/core/ext/census/initialize.c',
+                      'src/core/ext/census/intrusive_hash_map.c',
                       'src/core/ext/census/mlog.c',
                       'src/core/ext/census/operation.c',
                       'src/core/ext/census/placeholders.c',
@@ -914,6 +916,7 @@
                               'src/core/ext/census/gen/census.pb.h',
                               'src/core/ext/census/gen/trace_context.pb.h',
                               'src/core/ext/census/grpc_filter.h',
+                              'src/core/ext/census/intrusive_hash_map.h',
                               'src/core/ext/census/mlog.h',
                               'src/core/ext/census/resource.h',
                               'src/core/ext/census/rpc_metric_id.h',