Refactor serials

Toolkit.Foundation/ISerialContext.cs

@@ -1,10 +1,12 @@
 namespace Toolkit.Foundation;
 
-public interface ISerialContext<TReader, TRead> :
+public interface ISerialContext<TReader, TRead, TEvent> :
     ISerialContext
-    where TReader : SerialReader<TRead>;
+    where TReader : SerialReader<TRead>
+    where TEvent : SerialEventArgs<TRead>, new();
+
 
 public interface ISerialContext
 {
-    void Open();
+    bool Open();
 }