- def mv_account(from, to)
- # Rename the given account.
+
+ # The interface for the "move a user" operation. Subclasses need to
+ # implement this method so that it moves (renames) the user *src* to
+ # the user *dst*.
+ #
+ # @param src [User] the source user to be moved.
+ #
+ # @param dst [User] the destination user to which we'll move *src*.
+ #
+ def mv_user(src, dst)