}

// Tags - a rule can either have tag under <filter></filter> or under
// <filter><and></and></filter>. This method returns all the tags from the
// rule in the format tag1=value1&tag2=value2
func (r Rule) Tags() string {
	if !r.Filter.Tag.IsEmpty() {
		return r.Filter.Tag.String()
	}
	if len(r.Filter.And.Tags) != 0 {
		var buf bytes.Buffer
		for _, t := range r.Filter.And.Tags {
			if buf.Len() > 0 {
				buf.WriteString("&")

			ruleID := fmt.Sprintf("rule-%d", i)
			tag := Tag{
				Key:   tagKeys[i],
				Value: "minio",
			}
			lc.Rules = append(lc.Rules, Rule{
				ID:     ruleID,
				Status: "Enabled",
				Filter: Filter{
					Tag: tag,
					set: true,
				},
				NoncurrentVersionExpiration: NoncurrentVersionExpiration{
					NewerNoncurrentVersions: retainVersions[i],
					set:                     true,
				},
			})
		}

	return "more than one prefix in filter rule"
}

// ErrFilterNameSuffix - more than one suffix usage error.
type ErrFilterNameSuffix struct{}

func (err ErrFilterNameSuffix) Error() string {
	return "more than one suffix in filter rule"
}

// ErrInvalidFilterValue - invalid filter value error.
type ErrInvalidFilterValue struct {
	FilterValue string
}

            MavenExecutionRequest request, ProjectBuildingException exception) {
        return exception.getResults().stream()
                .map(ProjectBuildingResult::getProject)
                .filter(Objects::nonNull)
                .filter(project -> request.getPom().equals(project.getFile()))
                .findFirst()
                .map(requestPomProject -> {

            val dirPath = dir.toPath()
            Files.walk(dirPath).use { paths ->
                paths.filter { !it.toFile().isDirectory }
                    .limit(4)
                    .map { dirPath.relativize(it).toString() }
                    .collect(Collectors.toList())
            }
        }?.filter {
            it.value.isNotEmpty()
        } ?: emptyMap()

    /**

            }

            if (build.getFilters() != null) {
                List<String> filters = new ArrayList<>();
                for (String filter : build.getFilters()) {
                    filters.add(alignToBaseDirectory(filter, basedir));
                }
                build.setFilters(filters);
            }

            Element build = root.child("build").orElse(null);
            Element plugins = build.child("plugins").orElse(null);

            Element cleanPlugin = plugins.children("plugin")
                    .filter(p -> "maven-clean-plugin"
                            .equals(p.child("artifactId").orElse(null).textContent()))
                    .findFirst()
                    .orElse(null);
            assertNotNull(cleanPlugin);

				<Expiration>
					<Days>365</Days>
				</Expiration>
                            <Status>Enabled</Status>
	                    </Rule>`,
			expectedErr: errXMLNotWellFormed,
		},
		{
			inputXML: `<Rule>
				<ID>Rule with a tag and DelMarkerExpiration</ID>
				<Filter><Tag><Key>k1</Key><Value>v1</Value></Tag></Filter>
				<DelMarkerExpiration>

		toDial = strings.Replace(toDial, "https://", "wss://", 1)
		toDial += routePath

		dialer := ws.DefaultDialer
		dialer.ReadBufferSize = readBufferSize
		dialer.WriteBufferSize = writeBufferSize
		dialer.Timeout = defaultDialTimeout
		if dial != nil {
			dialer.NetDial = dial
		}
		header := make(http.Header, 2)
		header.Set("Authorization", "Bearer "+auth())

            return;
        }
        String filter = subRoleSet.stream().map(s -> String.format(groupFilter, s)).collect(Collectors.joining());
        if (subRoleSet.size() > 1) {
            filter = "(|" + filter + ")";
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Group filter: {}", filter);
        }