diff -r 91dc9acb03ed -r 6ae5e4f8329b org/sonews/daemon/command/Command.java
--- a/org/sonews/daemon/command/Command.java	Fri Aug 21 17:40:54 2009 +0200
+++ b/org/sonews/daemon/command/Command.java	Mon Aug 24 13:00:05 2009 +0200
@@ -30,8 +30,17 @@
 public interface Command
 {
 
+  /**
+   * @return true if this instance can be reused.
+   */
   boolean hasFinished();
 
+  /**
+   * Returns capability string that is implied by this command class.
+   * MAY return null if the command is required by the NNTP standard.
+   */
+  String impliedCapability();
+
   boolean isStateful();
 
   String[] getSupportedCommandStrings();