--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/java/src/stx/libjava/tools/text/Indexer.java	Thu Sep 12 00:24:05 2013 +0100
@@ -0,0 +1,14 @@
+package stx.libjava.tools.text;
+
+import org.eclipse.jdt.internal.compiler.ast.ASTNode;
+
+public abstract class Indexer {
+
+    /**
+     * Add given @param node to the index. 
+     *  
+     * @param node node to add to the index.
+     */
+    public abstract void add(ASTNode node);
+
+}