code: public @Nonnull Micronaut classes(@Nullable Class... classes) {
          if (classes != null) {
              for (Class aClass : classes) {
                  packages(aClass.getPackage().getName());
              }
          }
          return this;
      }
docs: Add classes to be included in the initialization of the application.
  
  @param classes The application
  @return The classes