class XDR_attribute(XDRStruct):
    '''An object attribute'''
    members = (
        'name',
        XDR.string(),
        'value',
        XDR.opaque(),
    )
class XDR_blob_data(XDRStruct):
    '''Blob data to be added to the blob cache'''
    members = (
        'blobs',
        XDR.array(XDR.opaque()),
    )