1 files changed, 36 insertions, 0 deletions
diff --git a/src/cpp/ext/filters/census/channel_filter.h b/src/cpp/ext/filters/census/channel_filter.h
new file mode 100644
index 0000000000..0b7c682681
--- /dev/null
+++ b/src/cpp/ext/filters/census/channel_filter.h
@@ -0,0 +1,36 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CPP_EXT_FILTERS_CENSUS_CHANNEL_FILTER_H
+#define GRPC_INTERNAL_CPP_EXT_FILTERS_CENSUS_CHANNEL_FILTER_H
+
+#include <grpc/support/port_platform.h>
+
+#include "src/cpp/ext/filters/census/context.h"
+
+namespace grpc {
+
+class CensusChannelData : public ChannelData {
+ public:
+  grpc_error* Init(grpc_channel_element* elem,
+                   grpc_channel_element_args* args) override;
+};
+
+}  // namespace grpc
+
+#endif /* GRPC_INTERNAL_CPP_EXT_FILTERS_CENSUS_CHANNEL_FILTER_H */