docs: public void addEntry(String placeholder, String... params) {
          ConfigEntry entry = entries.get(placeholder);
          String line = entry.template;
  
          for (int i = 0; i < params.length; i++) {
              line = line.replace("{" + i + "}", StringUtils.defaultString(params[i]));
          }
  
          entry.buffer.add(line);
      }