__init__(self)
__contains__(self, key)
__getitem__(self, key)
__iter__(self)
__len__(self)
__setitem__(self, key, val)
_make_name(self, type)
add(self, type)
add_plug_to_current(self, type, props)
add_prop_to_current(self, key, val)
complete_and_verify_configs(self)
last(self)
names(self)
sorted_configs(self, partial_orders)