// "JShellLanguage" "true"

/**
 * {@snippet<caret> lang = "java" :
 * class Main {
 *     void f(Optional<Object> e) {
 *          if (v.isPresent()) {
 *              System.out.println("v: " + v.get());
 *          }
 *     }
 * }
 * }
 */
class InjectJava {}