docs: public LoggingFraction fileHandler(String name, String path, Level level, String formatter) {
          Map<Object, Object> fileProperties = new HashMap<>();
          fileProperties.put("path", path);
          fileProperties.put("relative-to", "jboss.server.log.dir");
          fileHandler(new FileHandler(name)
                  .level(level)
                  .formatter(formatter)
                  .file(fileProperties));
          return this;
      }