'@type filename: L{bytes}
@param filename: The name of the file in which to store the message.
@type args: 2-L{tuple} of (0) L{dict} mapping L{bytes} to L{IDomain}
provider, (1) L{bytes}
@param args: Arguments for L{AliasBase.__init__}.'

def __init__(self, filename, *args):

    AliasBase.__init__(self, *args)
    self.filename = filename
