@Override
      public Person buildPartial() {
        Person result = new Person(this);
        int from_bitField0_ = bitField0_;
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          to_bitField0_ |= 0x00000001;
        }
        result.name_ = name_;
        if (((from_bitField0_ & 0x00000002) != 0)) {
          result.id_ = id_;
          to_bitField0_ |= 0x00000002;
        }
        if (((from_bitField0_ & 0x00000004) != 0)) {
          to_bitField0_ |= 0x00000004;
        }
        result.email_ = email_;
        result.bitField0_ = to_bitField0_;
        onBuilt();
        return result;
      }
Protobuf type {@code com.alibaba.fastjson2.protobuf.Person}
core/src/test/java/com/alibaba/fastjson2/protobuf/PersonOuterClass.java