public String symbol() {
                return "kB";
            }
        },
        MEGABYTE {
            @Override
            public long bytes() {
                return KILOBYTE.bytes() * KILOBYTE.bytes();
            }

            @Override
            public String symbol() {
                return "MB";
            }
        },
        GIGABYTE {
            @Override

    private Map<String, Object> fields;

    private final List<Map<String, Object>> documentList = new ArrayList<>();

    @Override
    public String getId() {
        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    @Override
    public Long getVersionNo() {
        return asDocMeta().version();
    }

    @Override
    public CrawlingInfoParamDbm asDBMeta() {
        return CrawlingInfoParamDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "crawling_info_param";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

        this.modelLocator = modelLocator;
    }

    @Override
    public String getUserProperty(String key) {
        return userProperties.get(key);
    }

    @Override
    public Model getRawModel(Path from, Path p) {
        return Holder.deref(modelByPath.get(p));
    }

    @Override
    public Model getRawModel(Path from, String groupId, String artifactId) {

    private static final Logger logger = LogManager.getLogger(FessUserLocaleProcessProvider.class);

    @Override
    public boolean isAcceptCookieLocale() {
        return false;
    }

    @Override
    public OptionalThing<Locale> findBusinessLocale(final ActionRuntime runtimeMeta, final RequestManager requestManager) {

        }
      }
    },
    STREAMS_FIND_LAST {
      @Override
      Object operate(Stream<?> stream) {
        return Streams.findLast(stream);
      }
    },
    REDUCE_LAST {
      @Override
      Object operate(Stream<?> stream) {
        return stream.reduce((a, b) -> b);
      }
    },
    REDUCE_LAST_PARALLEL {
      @Override
      Object operate(Stream<?> stream) {

    @Override
    public DuplicateHostDbm asDBMeta() {
        return DuplicateHostDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "duplicate_host";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

    @Override
    public JobLogDbm asDBMeta() {
        return JobLogDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "job_log";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

    @Override
    public RelatedQueryDbm asDBMeta() {
        return RelatedQueryDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "related_query";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

            @Override
            public void transferProgressed(TransferEvent event) throws TransferCancelledException {
                throw new TransferCancelledException();
            }

            @Override
            public void transferCorrupted(TransferEvent event) throws TransferCancelledException {
                throw new TransferCancelledException();
            }

            @Override