def __init__(self, hardware_id=None, persistent=None, size=None, volume_id=None, **unknown_fields):
        '''
        hardware_id : str
        persistent : bool
        size : int
        volume_id : str
        '''
        self.hardware_id = hardware_id
        self.persistent = persistent
        self.size = size
        self.volume_id = volume_id
def __init__ ( self , hardware_id = None , persistent = None , size = None , volume_id = None , ** unknown_fields ) : self . hardware_id = hardware_id self . persistent = persistent self . size = size self . volume_id = volume_id
hardware_id : str
        persistent : bool
        size : int
        volume_id : str