    from RoleUserManagerMixIn import RoleUserManagerMixIn
    from UserManagerToMiddleKit import UserManagerToMiddleKit

    class RoleUserManagerToMiddleKit(UserManagerToMiddleKit, RoleUserManagerMixIn):
        """
        See the base classes for more information.
        """

        def __init__(self, userClass=None, store=None, useSQL=None):
            UserManagerToMiddleKit.__init__(self, userClass, store, useSQL)
            RoleUserManagerMixIn.__init__(self)

        def initUserClass(self):
            """
            Overridden to pass on the semantics we inherit from
            RoleUsersManagerMixIn. The user class is a MiddleKit issue
            for us.
            """
            pass