def __init__(self, controllers=None, **unknown_fields):
        '''
        controllers : typing.Sequence[~SetExternalControllerInfoParams]
        '''
        self.controllers = [SetExternalControllerInfoParams.from_json(o) for o in controllers or []]
def __init__ ( self , controllers = None , ** unknown_fields ) : self . controllers = [ SetExternalControllerInfoParams . from_json ( o ) for o in controllers or [ ] ]
controllers : typing.Sequence[~SetExternalControllerInfoParams]