diff --git a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/data/RLanguageRep.java b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/data/RLanguageRep.java
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index 0000000000000000000000000000000000000000..5603604e36cecb024aaf8719ac6ec0d026a5366b
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+++ b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/data/RLanguageRep.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2014, 2014, 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 com.oracle.truffle.r.runtime.data;
+
+/**
+ * Denotes an (unevaluated) element of the R language. The representation is not disclosed here,
+ * owing partly to import circularities, but it will typically be an {@code RNode} that captures the
+ * (unevaluated) AST for the element.
+ *
+ * This type is not part of the {@code TypeSystem} but it used as a superclass by {@link RLanguage}
+ * and {@link RPromise}.
+ */
+public class RLanguageRep {
+    private final Object rep;
+
+    public RLanguageRep(Object rep) {
+        this.rep = rep;
+    }
+
+    public Object getRep() {
+        return rep;
+    }
+
+}