docs: public static FileOutputStream openExampleFileOuputStream(String filename)
  			throws IOException {
  		Path directoryPath;
  		if ("".equals(lastDumpFileName)) {
  			directoryPath = Paths.get(EXAMPLE_OUTPUT_DIRECTORY);
  		} else {
  			directoryPath = Paths.get(EXAMPLE_OUTPUT_DIRECTORY);
  			createDirectory(directoryPath);
  			directoryPath = directoryPath.resolve(
  					lastDumpFileName);
  		}
  
  		createDirectory(directoryPath);
  		Path filePath = directoryPath.resolve(filename);
  		return new FileOutputStream(filePath.toFile());
  	}