def __init__(self, as_of, in_favor_of=None, remove_in=2, what=None):
        self.as_of = as_of
        self.in_favor_of = in_favor_of
        self.remove_in = remove_in
        self.what = what
Parse lists as described by RFC 2068 Section 2.
dataset/ETHPy150Open openstack/oslo.log/oslo_log/versionutils.py/deprecated.__init__--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/urllib2.py/parse_http_list