diff --git a/quic/qbone/qbone_client_interface.h b/quic/qbone/qbone_client_interface.h
new file mode 100644
index 0000000..28d88ac
--- /dev/null
+++ b/quic/qbone/qbone_client_interface.h
@@ -0,0 +1,25 @@
+// Copyright (c) 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef QUICHE_QUIC_QBONE_QBONE_CLIENT_INTERFACE_H_
+#define QUICHE_QUIC_QBONE_QBONE_CLIENT_INTERFACE_H_
+
+#include <cstdint>
+
+#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+
+namespace quic {
+
+// An interface that includes methods to interact with a QBONE client.
+class QboneClientInterface {
+ public:
+  virtual ~QboneClientInterface() {}
+  // Accepts a given packet from the network and sends the packet down to the
+  // QBONE connection.
+  virtual void ProcessPacketFromNetwork(QuicStringPiece packet) = 0;
+};
+
+}  // namespace quic
+
+#endif  // QUICHE_QUIC_QBONE_QBONE_CLIENT_INTERFACE_H_