modules/jooby-ebean/src/main/java/org/jooby/ebean/Ebeanby.java
static Throwing.Runnable runEnhancer() {
    return () -> {
      Set<String> packages = PKG.getAndSet(null);
      if (packages != null) {
        EbeanEnhancer.newEnhancer().run(packages);
      }
    };
  }
static Throwing.Runnable runEnhancer() {
    return () -> {
      Set<String> packages = PKG.getAndSet(null);
      if (packages != null) {
        EbeanEnhancer.newEnhancer().run(packages);
      }
    };
  }
package for test.

@return An enhancer task. It runs once per classloader instance.