code: public UrlChain moreUrl(Object... urlParts) {
          final String argTitle = "urlParts";
          assertArgumentNotNull(argTitle, urlParts);
          checkWrongUrlChainUse(argTitle, urlParts);
          this.urlParts = urlParts;
          return this;
      }
docs: Set up more URL parts as URL chain.
  @param urlParts The varying array of URL parts. (NotNull)
  @return The created instance of URL chain. (NotNull)