Methods for defining commands at runtime should not be enforced in the Predis\Profiles\IServerProfile interface.

lib/Predis/Profiles/IServerProfile.php

@@ -6,7 +6,5 @@ interface IServerProfile {
     public function getVersion();
     public function supportsCommand($command);
     public function supportsCommands(Array $commands);
-    public function defineCommand($command, $aliases);
-    public function defineCommands(Array $commands);
     public function createCommand($method, $arguments = array());
 }