diff -r 000000000000 -r 77b6002451c4 samples/codeinjection/src/org/apidesign/codeinjection/spi/CountDownExtender.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/codeinjection/src/org/apidesign/codeinjection/spi/CountDownExtender.java	Sat Jan 10 21:29:22 2009 +0100
@@ -0,0 +1,17 @@
+package org.apidesign.codeinjection.spi;
+
+/** Allows to define meaning of "--"
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ * @since 2.0
+ */
+// BEGIN: codeinjection.slot
+public interface CountDownExtender {
+    /** Allows providers to specify that it means to "decrement" a value.
+     *
+     * @param value previous value
+     * @return result of "--" operation in interpretation of this extender
+     */
+    public int decrement(int value);
+}
+// END: codeinjection.slot