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diff --git a/src/core/ext/transport/binder/utils/transport_stream_receiver.h b/src/core/ext/transport/binder/utils/transport_stream_receiver.h
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+++ b/src/core/ext/transport/binder/utils/transport_stream_receiver.h
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+// Copyright 2021 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_CORE_EXT_TRANSPORT_BINDER_UTILS_TRANSPORT_STREAM_RECEIVER_H
+#define GRPC_CORE_EXT_TRANSPORT_BINDER_UTILS_TRANSPORT_STREAM_RECEIVER_H
+
+#include <grpc/impl/codegen/port_platform.h>
+
+#include <functional>
+#include <string>
+#include <vector>
+
+#include "src/core/ext/transport/binder/wire_format/transaction.h"
+
+namespace grpc_binder {
+
+typedef int StreamIdentifier;
+
+class TransportStreamReceiver {
+ public:
+  virtual ~TransportStreamReceiver() = default;
+
+  // Only handles single time invocation. Callback object will be deleted.
+  // The callback should be valid until invocation or unregister.
+  virtual void RegisterRecvInitialMetadata(
+      StreamIdentifier id, std::function<void(const Metadata&)> cb) = 0;
+  // TODO(mingcl): Use string_view
+  virtual void RegisterRecvMessage(
+      StreamIdentifier id, std::function<void(const std::string&)> cb) = 0;
+  virtual void RegisterRecvTrailingMetadata(
+      StreamIdentifier id, std::function<void(const Metadata&, int)> cb) = 0;
+
+  // TODO(mingcl): Provide a way to unregister callback?
+
+  // TODO(mingcl): Figure out how to handle the case where there is no callback
+  // registered for the stream. For now, I don't see this case happening in
+  // unary calls. So we would probably just crash the program for now.
+  // For streaming calls it does happen, for now we simply queue them.
+  virtual void NotifyRecvInitialMetadata(StreamIdentifier id,
+                                         const Metadata& initial_metadata) = 0;
+  virtual void NotifyRecvMessage(StreamIdentifier id,
+                                 const std::string& message) = 0;
+  virtual void NotifyRecvTrailingMetadata(StreamIdentifier id,
+                                          const Metadata& trailing_metadata,
+                                          int status) = 0;
+};
+
+}  // namespace grpc_binder
+
+#endif  // GRPC_CORE_EXT_TRANSPORT_BINDER_UTILS_TRANSPORT_STREAM_RECEIVER_H