--- a/Implab/Parallels/AsyncQueue.cs	Thu Jan 29 05:09:31 2015 +0300
+++ b/Implab/Parallels/AsyncQueue.cs	Thu Jan 29 18:31:06 2015 +0300
@@ -495,11 +495,11 @@
             #region ICollection implementation
 
             public void Add(T item) {
-                throw new InvalidOperationException();
+                throw new NotSupportedException();
             }
 
             public void Clear() {
-                throw new InvalidOperationException();
+                throw new NotSupportedException();
             }
 
             public bool Contains(T item) {
@@ -511,7 +511,7 @@
             }
 
             public bool Remove(T item) {
-                throw new NotImplementedException();
+                throw new NotSupportedException();
             }
 
             public int Count {