--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.api.replacements/src/org/graalvm/compiler/api/replacements/Snippet.java	2016-12-09 00:46:42.318953149 -0800
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2011, 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.
+ *
+ * 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 org.graalvm.compiler.api.replacements;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * A snippet is a Graal graph expressed as a Java source method. Snippets are used for lowering
+ * nodes that have runtime dependent semantics (e.g. the {@code CHECKCAST} bytecode).
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface Snippet {
+
+    /**
+     * Denotes a snippet parameter representing 0 or more arguments that will be bound during
+     * snippet template instantiation. During snippet template creation, its value must be an array
+     * whose length specifies the number of arguments (the contents of the array are ignored) bound
+     * to the parameter during instantiation.
+     */
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.PARAMETER)
+    public @interface VarargsParameter {
+    }
+
+    /**
+     * Denotes a snippet parameter that will bound to a constant value during snippet template
+     * instantiation.
+     */
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.PARAMETER)
+    public @interface ConstantParameter {
+    }
+}