@UnsupportedWithConfigurationCache(
    because = "The Gretty plugin does not support configuration caching"
)
class GrettySmokeTest extends AbstractPluginValidatingSmokeTest {

    def 'run Jetty with Gretty #grettyConfig.version'() {
        given:
        def grettyVersion = VersionNumber.parse(grettyConfig.version)
        useSample('gretty-example')
        buildFile << """
            plugins {

        // Update by running `./gradlew updateKotlinVersions`
        static kotlin = Versions.of(*KOTLIN_VERSIONS.latests)

        // https://plugins.gradle.org/plugin/org.gretty
        static gretty = [
            [version: "3.1.2", servletContainer: "jetty9.4", javaMinVersion: JavaVersion.VERSION_1_8, javaMaxVersion: JavaVersion.VERSION_20],

.Use `closureOf<T> {}`
====
include::sample[dir="snippets/kotlinDsl/interoperability-closure-of/kotlin",files="build.gradle.kts[tags=closureOf]"]
====

In other cases, like with the link:{plugin-portal}plugin/org.gretty[Gretty Plugin] when configuring farms, the plugin expects a delegate closure:

.Use `delegateClosureOf<T> {}`
====

// See the License for the specific language governing permissions and
// limitations under the License.

package retry

import (
	"net/http"
	"strconv"
	"strings"

	route "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
	previouspriorities "github.com/envoyproxy/go-control-plane/envoy/extensions/retry/priority/previous_priorities/v3"
	wrappers "google.golang.org/protobuf/types/known/wrapperspb"

	ExitFunc(1)
}

func (f fatalMsg) quiet(msg string, args ...interface{}) {
	f.pretty(msg, args...)
}

var (
	logTag      = "ERROR"
	logBanner   = color.BgRed(color.FgWhite(color.Bold(logTag))) + " "
	emptyBanner = color.BgRed(strings.Repeat(" ", len(logTag))) + " "
	bannerWidth = len(logTag) + 1
)

func (f fatalMsg) pretty(msg string, args ...interface{}) {
	// Build the passed error message

    }

    @Test
    @DisplayName("pretty pretty_test")
    public void ugly_test() {
    }

    @ParameterizedTest
    @CsvSource({"10, 'first'", "20, 'second'"})
    public void parametrized_test(int value, String name) {
        System.out.println(name + " " + value);
    }

    @ParameterizedTest
    @DisplayName("pretty parametrized test")
    @CsvSource({"30, 'third'", "40, 'fourth'"})

        with:
          distribution: 'temurin'
          java-version: '11'
      - name: Install Groovy
        run: sudo apt-get install groovy
      - name: List PR commits
        run: |
          git log --pretty=format:"%H" ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }} > pr_commits.txt
      - name: Check PR commits
        id: run_check
        run: |

            testServices.assertions.assertEqualsToTestDataFileSibling(scopeContextStringRepresentation)
            testServices.assertions.assertEqualsToTestDataFileSibling(scopeContextStringRepresentationPretty, extension = ".pretty.txt")
        }
    }

    private fun KaSession.renderForTests(
        element: KtElement,
        scopeContext: KaScopeContext,
        printPretty: Boolean = false,
    ): String = prettyPrint {

            testServices.assertions.assertEqualsToTestDataFileSibling(scopeContextStringRepresentation)
            testServices.assertions.assertEqualsToTestDataFileSibling(scopeContextStringRepresentationPretty, extension = ".pretty.txt")
        }
    }

    private fun KaSession.render(
        importingScope: KaScopeContext,
        renderDefaultImportingScope: Boolean,
        printPretty: Boolean = false,
    ): String = prettyPrint {

    Nevertheless, it is already being used as a "standard" by several tools. This greatly improves interoperability, as you could switch Uvicorn for any other ASGI server (like Daphne or Hypercorn), or you could add ASGI compatible tools, like `python-socketio`.

!!! check "**FastAPI** uses it to"