code: public static void bootstrap(final String name, String host, int port, boolean cleanRootLogger) {
          bootstrap(name, host, port, Optional.empty(), cleanRootLogger);
      }
docs: Bootstrap the SLF4J root logger with a configured {@link biz.paluch.logging.gelf.logback.GelfLogbackAppender}.
  
  @param name            The facility to use in the GELF messages
  @param host            The host of the Graylog2 server
  @param port            The port of the Graylog2 server
  @param cleanRootLogger If true, detach and stop all other appenders from the root logger