msg:  "key can't be empty",
		}
	}
	return nil
}

// Empty indicates if kv is not set
func (kv BatchJobKV) Empty() bool {
	return kv.Key == "" && kv.Value == ""
}

// Match matches input kv with kv, value will be wildcard matched depending on the user input
func (kv BatchJobKV) Match(ikv BatchJobKV) bool {
	if kv.Empty() {
		return true
	}
	if strings.EqualFold(kv.Key, ikv.Key) {

                }
              },
              "type": "special"
            }
          ],
          "unit": "bytes"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "Free"
            },
            "properties": [
              {
                "id": "color",
                "value": {

            }

            RequirementMatcher matcher;
            if ("version".equals(key)) {
                matcher = RequirementMatcherFactory.createVersionMatcher(value);
            } else {
                matcher = RequirementMatcherFactory.createExactMatcher(value);
            }

            jtc.addProvideToken(key, matcher);
        }

        // populate the configuration section

        final String value = clientConfigMap.get(CRAWLER_CLIENTS);
        final CrawlerClient client = getClientRuleList(value).stream().map(e -> {
            if (e.getSecond().matcher(url).matches()) {
                return e.getFirst();
            }
            return null;
        })
                .filter(StringUtil::isNotBlank)
                .findFirst()//

final class Platform {
  static CharMatcher precomputeCharMatcher(CharMatcher matcher) {
    // CharMatcher.precomputed() produces CharMatchers that are maybe a little
    // faster (and that's debatable), but definitely more memory-hungry. We're
    // choosing to turn .precomputed() into a no-op in GWT, because it doesn't
    // seem to be a worthwhile tradeoff in a browser.
    return matcher;
  }

  static String formatCompact4Digits(double value) {

        this.maxIndexerErrorCount = maxIndexerErrorCount;
    }

    /**
     * Adds a document boost matcher rule for enhancing document relevance scores.
     *
     * @param rule the document boost matcher rule to add
     */
    public void addDocBoostMatcher(final DocBoostMatcher rule) {
        docBoostMatcherList.add(rule);
    }

    /**

        metadata.merge(new Metadata());

        String dateAfter = gregorianDate();

        String ts = metadata.metadata.getVersioning().getSnapshot().getTimestamp();
        String datePart = DATE_FILTER.matcher(ts).replaceAll("");

        /* Allow for this test running across midnight */
        Set<String> expected = new HashSet<>(Arrays.asList(dateBefore, dateAfter));

            final Pattern pattern = Pattern.compile(regex);
            System.getProperties()
                    .keySet()
                    .stream()
                    .filter(k -> k != null && pattern.matcher(k.toString()).matches())
                    .forEach(k -> addSystemProperty(cmdList, k.toString(), null, null));
        }
    }

    /**
     * Deletes the specified temporary directory.

    protected String parseCharset(final String content) {
        final Pattern pattern = Pattern.compile("; *charset *= *([a-zA-Z0-9\\-_]+)", Pattern.CASE_INSENSITIVE);
        final Matcher matcher = pattern.matcher(content);
        if (matcher.find()) {
            return matcher.group(1);
        }
        return null;
    }

    /**
     * Gets a duplicate URL by adding or removing a trailing slash.
     *

        assertFalse(auth.matches("ftp://hostname:111/"));
        assertFalse(auth.matches("ftp://hostname:xx/"));
        assertFalse(auth.matches("ftp://hoge/test/aaa.html"));
        assertFalse(auth.matches("ftp://hoge/test"));
        assertFalse(auth.matches("ftp://hoge/"));
        assertFalse(auth.matches("ftp://hoge"));
        assertFalse(auth.matches("ftp://"));
        assertFalse(auth.matches("http://hostname/"));