return
            }

          // Apply the extensions. If they're unacceptable initiate a graceful shut down.
          // TODO(jwilson): Listeners should get onFailure() instead of onClosing() + onClosed(1010).
          val extensions = WebSocketExtensions.parse(response.headers)
          this@RealWebSocket.extensions = extensions
          if (!extensions.isValid()) {
            synchronized(this@RealWebSocket) {

  <groupId>org.apache.maven.test</groupId>
  <artifactId>project-with-build-extensions-plugin</artifactId>
  <version>1.0</version>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin</artifactId>
        <version>0.1</version>
        <extensions>true</extensions>
        <executions>
          <execution>
            <id>load</id>

import org.apache.maven.api.cli.extensions.CoreExtension;

import static java.util.Objects.requireNonNull;

/**
 * Represents the list of core extensions configured at one source. The list is validated (are GA unique), but no
 * other logic than that is applied.
 *
 * @since 4.0.0
 * @param source The source file of core extensions, is never {@code null}.

      - name: Prepare Mimir for Maven 4.x
        shell: bash
        run: |
          rm .mvn/extensions.xml
          mkdir -p ~/.m2
          cp .github/ci-extensions.xml ~/.m2/extensions.xml

      - name: Build Maven distributions
        shell: bash
        run: ./mvnw verify -e -B -V

      - name: List contents of target directory
        shell: bash

            gradleRootProject.extensions.extraProperties.set("collectedInfo-${klass.simpleName}-${rootProjectName}", buildService.get().collectedInformation)

            if (!isInBuildLogic) { // BuildScanExtension is only available in the gradle project
                val infoCollectedInBuildLogic = gradleRootProject.extensions.extraProperties.get("collectedInfo-${klass.simpleName}-build-logic")!!

            return getNotifierKey(notifier);
        }
    }

    /**
     * KeyComputer for Extension
     */
    private class ExtensionKeyComputer implements KeyComputer<Extension> {
        @Override
        public Object key(Extension extension) {
            return getExtensionKey(extension);
        }
    }

    /**
     * KeyComputer for Resource
     */

			Description: "Enable or disable object compression",
			Type:        "on|off",
			Optional:    true,
			Sensitive:   false,
		},
		config.HelpKV{
			Key:         Extensions,
			Description: `comma separated file extensions` + defaultHelpPostfix(Extensions),
			Optional:    true,
			Type:        "csv",
		},
		config.HelpKV{
			Key:         MimeTypes,

maven.user.toolchains         = ${maven.user.conf}/toolchains.xml

#
# Extensions
#
maven.installation.extensions = ${maven.installation.conf}/extensions.xml
maven.project.extensions      = ${maven.project.conf}/extensions.xml
maven.user.extensions         = ${maven.user.conf}/extensions.xml

#
# Maven central repository URL.
#

   * <<<{{{./apidocs/org/apache/maven/api/cli/mvnup/package-summary.html}mvnup}}>>>, the Maven Upgrade tool.

 This API also defines {{{./core-extensions.html}Core Extensions model}} for <<<.mvn/extensions.xml>>>.

            task.from(extension.getReleaseNotes().getRenderedDocumentation());

            // release notes assets go into $root/$assetsName/
            task.from(extension.getReleaseNotes().getReleaseNotesAssets(), sub -> sub.into(extension.getReleaseNotes().getReleaseNotesAssets().map(dir -> dir.getAsFile().getName())));

            // DSL reference goes into dsl/