':param  driver: An initialized :class:``GCENodeDriver``
:type   driver: :class:``GCENodeDriver``
:param  list_fn: A bound list method from :class:`GCENodeDriver`.
:type   list_fn: ``instancemethod``'

def __init__(self, driver, list_fn, **kwargs):

    self.driver = driver
    self.list_fn = list_fn
    self.kwargs = kwargs
    self.params = {}
