code: public WebDriverExecutor getWebDriverExecutor() {
          if (webDriverExecutor == null) {
              if (webDriverProvider == null) {
                  webDriverExecutor = new WebDriverExecutor();
              } else {
                  webDriverExecutor = new WebDriverExecutor(webDriverProvider);
              }
          }
          return webDriverExecutor;
      }
docs: Returns the {@link de.codecentric.zucchini.web.WebDriverExecutor web driver executor}.
  
  @return The {@link de.codecentric.zucchini.web.WebDriverExecutor web driver executor}.