--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/security/ssl/SSLHandshakeBinding.java	Mon Jun 25 13:41:39 2018 -0700
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.ssl;
+
+import java.util.Map;
+
+interface SSLHandshakeBinding {
+    default SSLHandshake[] getRelatedHandshakers(
+            HandshakeContext handshakeContext) {
+        return new SSLHandshake[0];
+    }
+
+    @SuppressWarnings({"unchecked", "rawtypes"})
+    default Map.Entry<Byte, HandshakeProducer>[] getHandshakeProducers(
+            HandshakeContext handshakeContext) {
+        return (Map.Entry<Byte, HandshakeProducer>[])(new Map.Entry[0]);
+    }
+
+    @SuppressWarnings({"unchecked", "rawtypes"})
+    default Map.Entry<Byte, SSLConsumer>[] getHandshakeConsumers(
+            HandshakeContext handshakeContext) {
+        return (Map.Entry<Byte, SSLConsumer>[])(new Map.Entry[0]);
+    }
+}