diff -r 000000000000 -r 9a66ca7c79fa src/share/classes/com/sun/source/tree/CompilationUnitTree.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/source/tree/CompilationUnitTree.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2005-2006 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.source.tree;
+
+import java.util.List;
+import javax.tools.JavaFileObject;
+import com.sun.source.tree.LineMap;
+
+/**
+ * Represents the abstract syntax tree for compilation units (source
+ * files) and package declarations (package-info.java).
+ *
+ * @see "The Java Language Specification, 3rd ed, sections 7.3, and 7.4"
+ *
+ * @author Peter von der Ahé
+ * @since 1.6
+ */
+public interface CompilationUnitTree extends Tree {
+    List<? extends AnnotationTree> getPackageAnnotations();
+    ExpressionTree getPackageName();
+    List<? extends ImportTree> getImports();
+    List<? extends Tree> getTypeDecls();
+    JavaFileObject getSourceFile();
+
+    /**
+     * Gets the line map for this compilation unit, if available.
+     * Returns null if the line map is not available.
+     * @return the line map for this compilation unit
+     */
+    LineMap getLineMap();
+}