@Override
		public File getChangeDataFile(int version) {
			return new File(dbDir,
				CHANGE_FILE_PREFIX + version + LocalBufferFile.BUFFER_FILE_EXTENSION);
		}
<code>VerDBBufferFileManager</code> provides buffer file management
for this versioned database instead of the DBBufferFileManager.
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/db/VersionedDatabase.java