def __init__(self, subchanges=None, samples=None, mover=None, details=None):
OPSObject.__init__(self)
self._len = None
self._collapsed = None
self._results = None
self._trials = None
self._accepted = None
self.mover = mover
if subchanges is None:
self.subchanges = list()
else:
self.subchanges = subchanges
if samples is None:
self.samples = list()
else:
self.samples = samples
self.details = details
