@Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + LEVEL_FIELD_NUMBER;
      hash = (53 * hash) + level_;
      hash = (37 * hash) + ID_FIELD_NUMBER;
      hash = (53 * hash) + getId().hashCode();
      hash = (37 * hash) + YEARS_FIELD_NUMBER;
      hash = (53 * hash) + getYears();
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<code>int32 years = 3;</code>
@return The years.
core/src/test/java/com/alibaba/fastjson2/dubbo/GoogleProtobufBasic.java