code: public Collection<String> getIgnoreHosts() {
          if (isIgnoreLocalhost()) {
              return new ImmutableSet.Builder<String>()
                      .addAll(ignoreHosts)
                      .addAll(Network.getLocalAddresses())
                      .build();
          } else {
              return ignoreHosts;
          }
      }
docs: Hosts that are ignored by Betamax. Any connections made will be allowed to proceed normally and not be
  intercepted.