private String filterString(String input) {
    return extractFirstWord(input)
      .filter(firstWord -> RUN_COMMAND.getCommandWithPrefix().startsWith(firstWord) ||
                           DEBUG_COMMAND.getCommandWithPrefix().startsWith(firstWord))
      .map(firstWord -> input.substring(firstWord.length() + 1))
      .orElse(input);
  }
private String filterString(String input)