docs: public JFieldVar searchSuperClassesForField(String property, JDefinedClass jclass) {
      JClass superClass = jclass._extends();
      JDefinedClass definedSuperClass = definedClassOrNullFromType(superClass);
      if (definedSuperClass == null) {
        return null;
      }
      return searchClassAndSuperClassesForField(property, definedSuperClass);
    }