* common to all multimaps.
 *
 * <p>The {@link #get}, {@link #removeAll}, and {@link #replaceValues} methods each return a {@link
 * Set} of values, while {@link #entries} returns a {@code Set} of map entries. Though the method
 * signature doesn't say so explicitly, the map returned by {@link #asMap} has {@code Set} values.
 *
 * <p>If the values corresponding to a single key should be ordered according to a {@link

 * common to all multimaps.
 *
 * <p>The {@link #get}, {@link #removeAll}, and {@link #replaceValues} methods each return a {@link
 * Set} of values, while {@link #entries} returns a {@code Set} of map entries. Though the method
 * signature doesn't say so explicitly, the map returned by {@link #asMap} has {@code Set} values.
 *
 * <p>If the values corresponding to a single key should be ordered according to a {@link

      </replaceConfiguration>
      <replaceConfiguration name="Treat some Guava Collection factory methods as Deprecated" uuid="82f9f9ab-9c3b-367f-99ad-40841dc13819" text="com.google.common.collect.Sets.newCopyOnWriteArraySet()" recursive="false" caseInsensitive="false" type="JAVA" pattern_context="default" reformatAccordingToStyle="true" shortenFQN="true" replacement="new java.util.concurrent.CopyOnWriteArraySet&lt;&gt;()">

    Set<String> set = of("a", "b");
    assertEquals(newHashSet("a", "b"), set);
  }

  public void testCreation_threeElements() {
    Set<String> set = of("a", "b", "c");
    assertEquals(newHashSet("a", "b", "c"), set);
  }

  public void testCreation_fourElements() {
    Set<String> set = of("a", "b", "c", "d");
    assertEquals(newHashSet("a", "b", "c", "d"), set);
  }

  public void testCreation_fiveElements() {

		v, ok = r.Header[xhttp.AmzContentSha256]
	}

	// Skip if no header was set.
	if !ok {
		return true
	}

	// If x-amz-content-sha256 is set and the value is not
	// 'UNSIGNED-PAYLOAD' we should validate the content sha256.
	switch v[0] {
	case unsignedPayload, unsignedPayloadTrailer:
		return true
	case emptySHA256:
		// some broken clients set empty-sha256
		// with > 0 content-length in the body,

	return ipList
}

func mustGetLocalLoopbacks() (ipList set.StringSet) {
	ipList = set.NewStringSet()
	for _, ip := range mustGetLocalIPs() {
		if ip != nil && ip.IsLoopback() {
			ipList.Add(ip.String())
		}
	}
	return
}

// mustGetLocalIP4 returns IPv4 addresses of localhost.  It panics on error.
func mustGetLocalIP4() (ipList set.StringSet) {
	ipList = set.NewStringSet()
	for _, ip := range mustGetLocalIPs() {

    listener.assertException(error);
  }

  public void testAddListenerAfterCallback() throws Throwable {
    inputFuture.set(VALID_INPUT_DATA);

    listener.assertSuccess(getSuccessfulResult());
  }

  public void testFutureBeforeCallback() throws Throwable {
    inputFuture.set(VALID_INPUT_DATA);

    listener.assertSuccess(getSuccessfulResult());
  }

  public void testInputFutureToString() throws Throwable {

     */
    void mergeDuplicates(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

    /**
     * Sets default values in the specified model that for technical reasons cannot be set directly in the Modello
     * definition.
     *
     * @param model The model in which to set the default values, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.

			req.Header.Set("X-Amz-Copy-Source-If-Unmodified-Since", testCase.copyUnmodifiedHeader)
		}
		// Add custom metadata.
		for k, v := range testCase.metadata {
			req.Header.Set(k, v)
		}
		if testCase.metadataReplace {
			req.Header.Set("X-Amz-Metadata-Directive", "REPLACE")
		}
		if testCase.metadataCopy {
			req.Header.Set("X-Amz-Metadata-Directive", "COPY")
		}
		if testCase.metadataGarbage {

	// sets the bucket policy using the policy statement generated from `getReadOnlyBucketStatement` so that the
	// unsigned request goes through and its validated again.
	ExecObjectLayerAPIAnonTest(t, obj, "TestGetBucketLocationHandler", bucketName, "", instanceType, apiRouter, anonReq, getAnonReadOnlyBucketPolicy(bucketName))

	// HTTP request for testing when `objectLayer` is set to `nil`.