assertThat(filesystem.exists(getCleanFile("g1", 0))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g1", 1))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g2", 0))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g2", 1))).isFalse()
    assertThat(filesystem.exists(cacheDir / "otherFile0")).isFalse()
    assertThat(filesystem.exists(cacheDir / "dir1")).isFalse()
  }

	for !file.Exists(cniConfigFilepath) {
		if strings.HasSuffix(cniConfigFilepath, ".conf") && file.Exists(cniConfigFilepath+"list") {
			installLog.Infof("%s doesn't exist, but %[1]slist does; Using it as the CNI config file instead.", cniConfigFilepath)
			cniConfigFilepath += "list"
		} else if strings.HasSuffix(cniConfigFilepath, ".conflist") && file.Exists(cniConfigFilepath[:len(cniConfigFilepath)-4]) {

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setCreatedTime_Exists() {
        setCreatedTime_Exists(null);
    }

    public void setCreatedTime_Exists(ConditionOptionCall<ExistsQueryBuilder> opLambda) {
        ExistsQueryBuilder builder = regExistsQ("createdTime");
        if (opLambda != null) {

    // Exists to test that our framework doesn't run it:
    @SuppressWarnings("unused")
    @ExampleDerivedFeature.Require({
      ExampleDerivedFeature.DERIVED_FEATURE_1,
      ExampleDerivedFeature.DERIVED_FEATURE_2
    })
    public void testRequiringTwoExplicitDerivedFeatures() throws Exception {
      doNotActuallyRunThis();
    }

    // Exists to test that our framework doesn't run it:

# Ensure bucket exists, purging if asked to
createBucket() {
	BUCKET=$1
	POLICY=$2
	PURGE=$3
	VERSIONING=$4
	OBJECTLOCKING=$5

	# Purge the bucket, if set & exists
	# Since PURGE is user input, check explicitly for `true`
	if [ $PURGE = true ]; then
		if checkBucketExists $BUCKET; then
			echo "Purging bucket '$BUCKET'."
			set +e # don't exit if this fails
			${MC} rm -r --force myminio/$BUCKET

	// "no running Istio pods in istio-system" for the first time
	_ = detectIstioVersionDiff(p, tag, ns, kubeClient, iop)
	exists := revtag.PreviousInstallExists(context.Background(), kubeClient.Kube())
	err = detectDefaultWebhookChange(p, kubeClient, iop, exists)
	if err != nil {
		return fmt.Errorf("failed to detect the default webhook change: %v", err)
	}

  static final String EDGE_ALREADY_EXISTS = "Edge %s already exists in the graph.";
  static final String ENDPOINTS_MISMATCH =
      "Mismatch: endpoints' ordering is not compatible with directionality of the graph";

  /** Singleton edge value for {@link Graph} implementations backed by {@link ValueGraph}s. */
  enum Presence {
    EDGE_EXISTS
  }

		// Validate volume does not exist.
		{
			volume: "i-dont-exist",
			path:   "",
			err:    errVolumeNotFound,
		},
		// TestXLStorage case - 2.
		// Validate bad condition file does not exist.
		{
			volume: "exists",
			path:   "as-file-not-found",
			err:    errFileNotFound,
		},
		// TestXLStorage case - 3.
		// Validate bad condition file exists as prefix/directory and

  }

  public void testTouch() throws IOException {
    File temp = createTempFile();
    assertTrue(temp.exists());
    assertTrue(temp.delete());
    assertFalse(temp.exists());
    Files.touch(temp);
    assertTrue(temp.exists());
    Files.touch(temp);
    assertTrue(temp.exists());

    assertThrows(
        IOException.class,
        () ->
            Files.touch(

			meshConfigMapName, ctx.IstioNamespace(), err)
	}
	// values in the data are strings, while proto might use a
	// different data type.  therefore, we have to get a value by a
	// key
	configYaml, exists := meshConfigMap.Data[configMapKey]
	if !exists {
		return nil, fmt.Errorf("missing configuration map key %q", configMapKey)
	}