@Override
    public boolean equals(final Object obj) {
      if (obj == this) {
       return true;
      }
      if (!(obj instanceof DriverCard)) {
        return super.equals(obj);
      }
      DriverCard other = (DriverCard) obj;

      if (level_ != other.level_) return false;
      if (!getId()
          .equals(other.getId())) return false;
      if (getYears()
          != other.getYears()) return false;
      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
      return true;
    }
<code>int32 years = 3;</code>
@return The years.
core/src/test/java/com/alibaba/fastjson2/dubbo/GoogleProtobufBasic.java