@java.lang.Override
        public final boolean isInitialized() {
          byte isInitialized = memoizedIsInitialized;
          if (isInitialized == 1) return true;
          if (isInitialized == 0) return false;

          if (!hasOutputRoot()) {
            memoizedIsInitialized = 0;
            return false;
          }
          memoizedIsInitialized = 1;
          return true;
        }
@java.lang.Override
        public final boolean isInitialized()