docs: public String getMethodNameFromDD(List<LifecycleCallback> callbacks, String classname) {
          String methodName = null;
          for (LifecycleCallback callback : callbacks) {
              // lifecycle-callback-class default to the enclosing component class Client
              String callbackClassName;
              callbackClassName = callback.getClassName();
              if (callbackClassName == null) {
                  callbackClassName = mainClassName;
              }
              if (callbackClassName.equals(classname)) {
                  if (methodName == null) {
                      methodName = callback.getMethodName();
                  } else {
                      Tr.warning(tc, "DUPLICATE_CALLBACK_METHOD_CWWKC2454W", new Object[] { methodName, classname });
                  }
              }
          }
          return methodName;
      }