--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tango/tango/util/collection/model/Bag.d	Fri Jan 11 17:57:40 2008 +0100
@@ -0,0 +1,37 @@
+/*
+ File: Bag.d
+
+ Originally written by Doug Lea and released into the public domain. 
+ Thanks for the assistance and support of Sun Microsystems Labs, Agorics 
+ Inc, Loral, and everyone contributing, testing, and using this code.
+
+ History:
+ Date     Who                What
+ 24Sep95  dl@cs.oswego.edu   Create from collections.d  working file
+
+*/
+
+
+module tango.util.collection.model.Bag;
+
+private import  tango.util.collection.model.BagView,
+                tango.util.collection.model.Iterator,
+                tango.util.collection.model.Dispenser;
+
+/**
+ * Bags are collections supporting multiple occurrences of elements.
+ * author: Doug Lea
+**/
+
+public interface Bag(V) : BagView!(V), Dispenser!(V)
+{
+        public alias add opCatAssign;
+
+        void add (V);
+
+        void addIf (V);
+
+        void add (Iterator!(V));
+}
+
+