python.PoolFile.PoolOpts Node1 python.PoolFile.PoolOpts + FAST_MODE + SUPER_DETAILED_BRANCH_SZ + READ_MODE + POOL_HEADER + EVENT_DATA + META_DATA + HDR_FORMAT + ROW_FORMAT + isData() + isDataHeader() + isEventData() + isAugmentation() + augmentationName() + isAugmentedHeader() Node2 object Node2->Node1