private static FileBytesAdapter upgrade(DBHandle handle, FileBytesAdapter oldAdapter,
			TaskMonitor monitor) throws VersionException, IOException {
		return new FileBytesAdapterV0(handle, true);
	}
Database Adapter for storing and retrieving original file bytes.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/mem/FileBytesAdapter.java