--- a/Implab/SyncContextPromise.cs	Mon Mar 20 17:44:18 2017 +0300
+++ b/Implab/SyncContextPromise.cs	Tue Mar 21 17:29:13 2017 +0300
@@ -1,18 +1,21 @@
-using System.Threading;
-using System;
-
-namespace Implab {
-    public class SyncContextPromise<T> : Promise<T> {
-        readonly SynchronizationContext m_context;
-
-        public SyncContextPromise(SynchronizationContext context) {
-            Safe.ArgumentNotNull(context, "context");
-            m_context = context;
-        }
-
-        protected override void SignalHandler(HandlerDescriptor handler, int signal) {
-            m_context.Post(x => base.SignalHandler(handler, signal), null);
-        }
-    }
-}
-
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+
+namespace Implab {
+    public class SyncContextPromise : Promise {
+        readonly SynchronizationContext m_context;
+
+        public SyncContextPromise(SynchronizationContext context) {
+            Safe.ArgumentNotNull(context, "context");
+
+            m_context = context;
+        }
+
+        protected override void SignalHandler(HandlerDescriptor handler, int signal) {
+            m_context.Post(x => base.SignalHandler(handler, signal), null);
+        }
+    }
+}