def get_default_config(self):
        config = super(PostfixCollector, self).get_default_config()
        config.update({
            'path':             'postfix',
            'host':             'localhost',
            'port':             7777,
            'include_clients':  True,
        })
        return config
Given a Library object, return the path to the feeds directory to be
dataset/ETHPy150Open BrightcoveOS/Diamond/src/collectors/postfix/postfix.py/PostfixCollector.get_default_config--crossover with--dataset/ETHPy150Open beetbox/beets/beetsplug/importfeeds.py/_get_feeds_dir