new TestStringListGenerator() {
              @Override
              public List<String> create(String[] elements) {
                return emptyList();
              }
            })
        .named("emptyList")
        .withFeatures(CollectionFeature.SERIALIZABLE, CollectionSize.ZERO)
        .suppressing(suppressForEmptyList())
        .createTestSuite();
  }

  public Test testsForSingletonList() {

   extern __typeof (name) __EI_##name __asm__(__hidden_asmname (#internal)); \
   extern __typeof (name) __EI_##name \
-	__attribute__((alias (__hidden_asmname (#local))))
+    __attribute__((alias (__hidden_asmname (#local))))	\
+    __attribute_copy__ (name)
 #  define hidden_ver(local, name)	__hidden_ver1(local, __GI_##name, name);
 #  define hidden_data_ver(local, name)	hidden_ver(local, name)

	config.Lock()
	defer config.Unlock()

	// check if tier name is in all caps
	tierName := tier.Name
	if tierName != strings.ToUpper(tierName) {
		return errTierNameNotUppercase
	}

	// check if tier name already in use
	if _, exists := config.isTierNameInUse(tierName); exists {
		return errTierAlreadyExists
	}

<Configuration status="WARN">

	<Properties>
		<Property name="domain.name" value="${sys:fess.log.name:-fess}" />
		<Property name="log.level" value="${sys:fess.log.level:-debug}" />
		<Property name="root.log.level" value="${sys:fess.log.level:-info}" />
		<Property name="log.pattern" value="%d [%t] %-5p %msg%n" />
		<Property name="log.file.basedir" value="${sys:fess.log.path:-target/logs}" />
		<Property name="backup.date.suffix" value="_%d{yyyyMMdd}" />

    }

    public void setName_Equal(String name) {
        setName_Term(name, null);
    }

    public void setName_Equal(String name, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setName_Term(name, opLambda);
    }

    public void setName_Term(String name) {
        setName_Term(name, null);
    }

    public void setName_Term(String name, ConditionOptionCall<TermQueryBuilder> opLambda) {

        }
    }

    public void scriptedMetric(String name, ConditionOptionCall<ScriptedMetricAggregationBuilder> opLambda) {
        ScriptedMetricAggregationBuilder builder = regScriptedMetricA(name);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void topHits(String name, ConditionOptionCall<TopHitsAggregationBuilder> opLambda) {

		<property name="unprocessedDocumentSize">100</property>
		<property name="threadDump">false</property>
		<postConstruct name="addBoostDocumentRule">
			<arg>
				<component class="org.codelibs.fess.indexer.BoostDocumentRule">
					<property name="matchExpression">"url.matches(\".*fess.*\")"</property>
					<property name="boostExpression">"1000.0"</property>
				</component>
			</arg>
		</postConstruct>
		 -->
	</component>

	}
	for name, value := range httpStats.TotalS35xxErrors.APIStats {
		m.Set(apiRequests5xxErrorsTotal, float64(value), "name", name, "type", "s3")
	}
	for name, value := range httpStats.TotalS34xxErrors.APIStats {
		m.Set(apiRequests4xxErrorsTotal, float64(value), "name", name, "type", "s3")
	}
	for name, value := range httpStats.TotalS3Canceled.APIStats {

		<property name="responseProcessor">
			<component
				class="org.codelibs.fess.crawler.processor.impl.SitemapsResponseProcessor">
			</component>
		</property>
		<postConstruct name="addRule">
			<arg>"url"</arg>
			<arg>".*sitemap.*"</arg>
		</postConstruct>
	</component>

	<component name="fileRule" class="org.codelibs.fess.crawler.rule.impl.RegexRule">

		}

		return fmt.Errorf("failed to create index with name %s", name)
	})
}

// DropIndex drop index `name`
func (m Migrator) DropIndex(value interface{}, name string) error {
	return m.RunWithValue(value, func(stmt *gorm.Statement) error {
		if stmt.Schema != nil {
			if idx := stmt.Schema.LookIndex(name); idx != nil {
				name = idx.Name
			}
		}