1 files changed, 39 insertions, 0 deletions
diff --git a/src/core/ext/filters/logging/logging_filter.h b/src/core/ext/filters/logging/logging_filter.h
index b2a5efb6c8..6a27a65386 100644
--- a/src/core/ext/filters/logging/logging_filter.h
+++ b/src/core/ext/filters/logging/logging_filter.h
@@ -21,10 +21,49 @@
 
 #include <grpc/support/port_platform.h>
 
+#include <string>
+#include <utility>
+
+#include "absl/status/statusor.h"
+
 #include "src/core/ext/filters/logging/logging_sink.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/channel_fwd.h"
+#include "src/core/lib/channel/promise_based_filter.h"
+#include "src/core/lib/promise/arena_promise.h"
+#include "src/core/lib/transport/transport.h"
 
 namespace grpc_core {
 
+class ClientLoggingFilter final : public ChannelFilter {
+ public:
+  static const grpc_channel_filter kFilter;
+
+  static absl::StatusOr<ClientLoggingFilter> Create(
+      const ChannelArgs& args, ChannelFilter::Args /*filter_args*/);
+
+  // Construct a promise for one call.
+  ArenaPromise<ServerMetadataHandle> MakeCallPromise(
+      CallArgs call_args, NextPromiseFactory next_promise_factory) override;
+
+ private:
+  explicit ClientLoggingFilter(std::string default_authority)
+      : default_authority_(std::move(default_authority)) {}
+  std::string default_authority_;
+};
+
+class ServerLoggingFilter final : public ChannelFilter {
+ public:
+  static const grpc_channel_filter kFilter;
+
+  static absl::StatusOr<ServerLoggingFilter> Create(
+      const ChannelArgs& args, ChannelFilter::Args /*filter_args*/);
+
+  // Construct a promise for one call.
+  ArenaPromise<ServerMetadataHandle> MakeCallPromise(
+      CallArgs call_args, NextPromiseFactory next_promise_factory) override;
+};
+
 void RegisterLoggingFilter(LoggingSink* sink);
 
 }  // namespace grpc_core