if (systemProperties != null) {
            this.systemProperties = new Properties();
            // avoid concurrent modification if someone else sets/removes an unrelated system property
            synchronized (systemProperties) {
                this.systemProperties.putAll(systemProperties);
            }
        } else {
            this.systemProperties = null;

        }
        split(fessConfig.getQueryAdditionalAnalyzedFields(), ",")
                .of(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).forEach(s -> notAnalyzedFieldSet.remove(s)));
        split(fessConfig.getQueryAdditionalDefaultFields(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).map(s -> {
            final Pair<String, Float> pair = new Pair<>();

            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchDelete(new BulkList<>(list, call, entityCall), null);
    }

    // #pending create, modify, remove

   * Multimap#asMap()} will iterate through the keys in the order that they were first added to the
   * multimap, save that if all values associated with a key are removed and then the key is added
   * back into the multimap, that key will come last in the key iteration order.
   */
  public static MultimapBuilderWithKeys<@Nullable Object> linkedHashKeys() {

		// No need to return errors for failed expiration of STS users
	}

	// Loading the STS policy mappings from disk ensures that stale entries
	// (removed during loadUser() in the loop above) are removed from memory.
	for _, item := range listedConfigItems[policyDBSTSUsersListKey] {
		stsName := strings.TrimSuffix(item, ".json")

            return g;
        }

        // now - drop vertices
        TreeSet<MetadataGraphVertex> vertices = g.getVertices();
        for (MetadataGraphVertex v : dropList) {
            vertices.remove(v);
        }

        return g;
    }

    // -------------------------------------------------------------------------------------

                .sorted(Comparator.comparing(Lifecycle::getId, comparator))
                .collect(Collectors.toList());
    }

    private Map<String, Lifecycle> lookupLifecycles() {
        // TODO: Remove the following code when maven-compat is gone
        // This code is here to ensure maven-compat's EmptyLifecycleExecutor keeps on working.
        if (lookup == null) {

	r, _, _, err := c.GetObject(ctx, s3.Bucket, s3.getDest(object), gopts)
	if err != nil {
		return nil, s3.ToObjectError(err, object)
	}
	return r, nil
}

func (s3 *warmBackendS3) Remove(ctx context.Context, object string, rv remoteVersionID) error {
	ropts := minio.RemoveObjectOptions{}
	if rv != "" {
		ropts.VersionID = string(rv)
	}
	err := s3.client.RemoveObject(ctx, s3.Bucket, s3.getDest(object), ropts)

	//
	// TODO(aead): refactor this API call. It does not account
	// for multiple endpoints.
	Version(context.Context) (string, error)

	// APIs returns a list of APIs supported by the KMS server.
	//
	// TODO(aead): remove this API call. It's hardly useful.
	APIs(context.Context) ([]madmin.KMSAPI, error)

	// Stat returns the current KMS status.
	Status(context.Context) (map[string]madmin.ItemState, error)

                extractData.putValues(e.getKey(), getStringsByXPath(document, e.getValue()));
            });
            return extractData;
        } finally {
            xpathAPI.remove();
        }
    }

    protected String[] getStringsByXPath(final Document document, final String path) {
        try {
            final XPathEvaluationResult<?> xObj = getXPathAPI().eval(document, path);