return Validity(
        notBefore = notBefore,
        notAfter = notAfter,
      )
    }

    private fun extensions(): MutableList<Extension> {
      val result = mutableListOf<Extension>()

      if (maxIntermediateCas != -1) {
        result +=
          Extension(
            id = BASIC_CONSTRAINTS,
            critical = true,
            value =
              BasicConstraints(

            if ("extension".equals(parser.getName())) {
                java.util.List<CoreExtension> extensions = coreExtensions.getExtensions();
                if (extensions == null) {
                    extensions = new java.util.ArrayList<CoreExtension>();
                }
                extensions.add(parseCoreExtension(parser, strict));

      <item name="Source Xref" href="xref/index.html"/>
      <!--item name="FAQ" href="faq.html"/-->
    </menu>

    <menu name="Reference">
      <item name="Core Extensions" href="core-extensions.html"/>
      <item name="Extension Descriptor" href="extension.html"/>
    </menu>
  </body>

            }
        }
        pluginArtifactsCache.register(project, cacheKey, recordArtifacts);

        // create and cache extensions realms
        final ExtensionRealmCache.Key extensionKey = extensionRealmCache.createKey(artifacts);
        extensionRecord = extensionRealmCache.get(extensionKey);
        if (extensionRecord == null) {

 * {{{./artifact-handlers.html}default artifact handlers}}, to manage {{{../maven-model/maven.html#class_dependency}dependency types}},

 * {{{./extension.html}extension descriptor}} and {{{./core-extensions.html}core extensions}},

 * {{{/guides/mini/guide-maven-classloading.html}classloader hierarchy}} done by <<<ClassRealmManager>>> component

plugins {
    id("java-base")
}

// Creates the `jvmCompile` extension, which is a container for JvmCompilation instances.
// JvmCompilation instances control the way each source set is compiled -- most importantly,
// it controls the JVM version of the compilation. This allows each source set within a project
// to compile to different JVM versions.

val jvmCompile = extensions.create<JvmCompileExtension>(JvmCompileExtension.NAME)

          <models>
            <model>src/main/mdo/core-extensions.mdo</model>
          </models>
          <templates>
            <template>model.vm</template>
          </templates>
          <params>
            <param>locationTracking=true</param>
            <param>generateLocationClasses=true</param>
            <param>packageModelV4=org.apache.maven.api.cli.extensions</param>

     * Creates a new class realm for the specified build extension.
     *
     * @param extension The extension plugin for which to create a realm, must not be {@code null}.
     * @param artifacts The artifacts to add to the class realm, may be {@code null}. Unresolved artifacts (i.e. with a
     *            missing file) will automatically be excluded from the realm.
     * @return The new extension realm, never {@code null}.
     */

## Code Examples

[Using minio-go library](https://github.com/minio/minio/blob/master/docs/extensions/s3zip/examples/minio-go/main.go)
[Using AWS JS SDK v2](https://github.com/minio/minio/blob/master/docs/extensions/s3zip/examples/aws-js/main.js)
[Using boto3](https://github.com/minio/minio/blob/master/docs/extensions/s3zip/examples/boto3/main.py)

## Requirements and limits

         */
        Core,

        /**
         * A class realm for a project to aggregates its build extensions.
         */
        Project,

        /**
         * A class realm for a build extension.
         */
        Extension,

        /**
         * A class realm for a plugin.
         */
        Plugin,
    }

    /**