def __init__(self, attachment=None, attributes=None, provider=None, size=None, tags=None, volume_tag=None, **unknown_fields):
        '''
        attachment : VolumeAttachmentParams
        attributes : typing.Mapping[str, typing.Any]
        provider : str
        size : int
        tags : typing.Mapping[str, str]
        volume_tag : str
        '''
        self.attachment = VolumeAttachmentParams.from_json(attachment) if attachment else None
        self.attributes = attributes
        self.provider = provider
        self.size = size
        self.tags = tags
        self.volume_tag = volume_tag
def __init__ ( self , attachment = None , attributes = None , provider = None , size = None , tags = None , volume_tag = None , ** unknown_fields ) : self . attachment = VolumeAttachmentParams . from_json ( attachment ) if attachment else None self . attributes = attributes self . provider = provider self . size = size self . tags = tags self . volume_tag = volume_tag
attachment : VolumeAttachmentParams
        attributes : typing.Mapping[str, typing.Any]
        provider : str
        size : int
        tags : typing.Mapping[str, str]
        volume_tag : str