private com.google.protobuf.SingleFieldBuilderV3<
        com.google.protobuf.Empty, com.google.protobuf.Empty.Builder, com.google.protobuf.EmptyOrBuilder> 
        getStateExpiredFieldBuilder() {
      if (stateExpiredBuilder_ == null) {
        if (!(stateOneofCase_ == 4)) {
          stateOneof_ = com.google.protobuf.Empty.getDefaultInstance();
        }
        stateExpiredBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Empty, com.google.protobuf.Empty.Builder, com.google.protobuf.EmptyOrBuilder>(
                (com.google.protobuf.Empty) stateOneof_,
                getParentForChildren(),
                isClean());
        stateOneof_ = null;
      }
      stateOneofCase_ = 4;
      onChanged();
      return stateExpiredBuilder_;
    }
private com.google.protobuf.SingleFieldBuilderV3<
        com.google.protobuf.Empty, com.google.protobuf.Empty.Builder, com.google.protobuf.EmptyOrBuilder> 
        getStateExpiredFieldBuilder()