src/main/java/com/spotify/dns/DnsSrvWatchers.java
public static DnsSrvWatcherBuilder<LookupResult> newBuilder(DnsSrvResolver resolver) {
    checkNotNull(resolver, "resolver");

    return new DnsSrvWatcherBuilder<LookupResult>(resolver, Functions.<LookupResult>identity());
  }
public static DnsSrvWatcherBuilder<LookupResult> newBuilder(DnsSrvResolver resolver) {
    checkNotNull(resolver, "resolver");

    return new DnsSrvWatcherBuilder<LookupResult>(resolver, Functions.<LookupResult>identity());
  }
Creates a {@link DnsSrvWatcherBuilder} using the given {@link DnsSrvResolver}. The builder
can be configured to have the desired behavior.

<p>Exactly one of {@link DnsSrvWatcherBuilder#polling(long, TimeUnit)} or
{@link DnsSrvWatcherBuilder#customTrigger(DnsSrvWatcherFactory)} must be used.

@param resolver The resolver to use for lookups
@return a builder for further configuring the watcher