code: public static AtomixBuilder builder(String configFile, AtomixRegistry registry) {
      return new AtomixBuilder(config(Thread.currentThread().getContextClassLoader(), Collections.singletonList(new File(configFile)), registry), registry);
    }
docs: Returns a new Atomix builder.
  <p>
  The builder will be initialized with the configuration in the given file and will fall back to {@code atomix.conf},
  {@code atomix.json}, or {@code atomix.properties} if located on the classpath.
  
  @param configFile the Atomix configuration file
  @param registry the Atomix registry
  @return a new Atomix builder