buildKotlinFile << """
            tasks.register("printer") {
                val someValue = objects.property<String>().convention("some value")
                doLast {
                    val filtered = someValue.filter { it.contains("value") }
                    someValue.set("trash")
                    println("filter: ${'$'}{filtered.getOrNull()}")
                }
            }
        """

			if revision != util.DefaultRevisionName {
				revisionWarning = ""
			}
			if icpTag < tag {
				p.Printf("%s Istio is being upgraded from %s to %s.\n"+revisionWarning+check,
					warnMarker, icpTag, tag)
			} else {
				p.Printf("%s Istio is being downgraded from %s to %s.\n"+revisionWarning+check,
					warnMarker, icpTag, tag)
			}
		}
	}
	return nil
}

[source, kotlin]
----
tasks.register("hello") {
    doLast {
        println("Hello!")
    }
}

tasks.register("greet") {
    doLast {
        println("How are you?")
    }
    dependsOn("hello")
}
----
=====
[.multi-language-sample]
=====
[source, groovy]
----
tasks.register("hello") {
    doLast {
        println('Hello!')
    }
}

tasks.register("greet") {

	// The package also accepts the incorrect but common prefix u for micro.
	micro2, _ := time.ParseDuration("1us")

	fmt.Println(hours)
	fmt.Println(complex)
	fmt.Printf("There are %.0f seconds in %v.\n", complex.Seconds(), complex)
	fmt.Printf("There are %d nanoseconds in %v.\n", micro.Nanoseconds(), micro)
	fmt.Printf("There are %6.2e seconds in %v.\n", micro2.Seconds(), micro2)
	// Output:
	// 10h0m0s
	// 1h10m10s

                void beforeSuite(TestDescriptor suite) { println "START Test Suite [\$suite.className] [\$suite.name]" }
                void afterSuite(TestDescriptor suite, TestResult result) { println "FINISH Test Suite [\$suite.className] [\$suite.name] [\$result.resultType] [\$result.testCount]" }
                void beforeTest(TestDescriptor test) { println "START Test Case [\$test.className] [\$test.name]" }

// kinds of upgrades can be performed
func GetAvailableUpgrades(versionGetterImpl VersionGetter, experimentalUpgradesAllowed, rcUpgradesAllowed bool, client clientset.Interface, printer output.Printer) ([]Upgrade, error) {
	printer.Printf("[upgrade] Fetching available versions to upgrade to\n")

	// Collect the upgrades kubeadm can do in this list
	var upgrades []Upgrade

	// Get the kube-apiserver versions in the cluster

		The default output will be printed to stdout in YAML format. One can use -o option
		to change to output destination.`))

	convertExample = templates.Examples(i18n.T(`
		# Convert 'pod.yaml' to latest version and print to stdout.
		kubectl convert -f pod.yaml

		# Convert the live state of the resource specified by 'pod.yaml' to the latest version
		# and print to stdout in JSON format.

				switch val := cell.(type) {
				case string:
					print := val
					truncated := false
					// Truncate at the first newline, carriage return or formfeed
					// (treated as a newline by tabwriter).
					breakchar := strings.IndexAny(print, "\f\n\r")
					if breakchar >= 0 {
						truncated = true
						print = print[:breakchar]
					}
					WriteEscaped(output, print)
					if truncated {
						fmt.Fprint(output, "...")

	f0()
}

func _() {
	// this comment should be properly indented
}

func _(x int) int {
	if x < 0 {	// the tab printed before this comment's // must not affect the remaining lines
		return -x	// this statement should be properly indented
	}
	if x < 0 {	/* the tab printed before this comment's /* must not affect the remaining lines */
		return -x	// this statement should be properly indented
	}
	return x
}

		}
	} else {
		fmt.Printf("[dryrun] Wrote certificates and kubeconfig files to the %q directory\n", manifestDir)
	}

	fmt.Println("[dryrun] The certificates or kubeconfig files would not be printed due to their sensitive nature")
	fmt.Printf("[dryrun] Please examine the %q directory for details about what would be written\n", manifestDir)

	// Print kubelet config manifests