--- a/Implab/Parallels/AsyncQueue.cs	Mon Feb 16 01:14:09 2015 +0300
+++ b/Implab/Parallels/AsyncQueue.cs	Mon Feb 16 17:48:39 2015 +0300
@@ -158,7 +158,7 @@
         /// Adds the specified value to the queue.
         /// </summary>
         /// <param name="value">Tha value which will be added to the queue.</param>
-        public void Enqueue(T value) {
+        public virtual void Enqueue(T value) {
             var last = m_last;
             // spin wait to the new chunk
             bool extend = true;
@@ -184,7 +184,7 @@
         /// <param name="data">The buffer which contains the data to be enqueued.</param>
         /// <param name="offset">The offset of the data in the buffer.</param>
         /// <param name="length">The size of the data to read from the buffer.</param>
-        public void EnqueueRange(T[] data, int offset, int length) {
+        public virtual void EnqueueRange(T[] data, int offset, int length) {
             if (data == null)
                 throw new ArgumentNullException("data");
             if (length == 0)