* @see Constants#MAVEN_USER_EXTENSIONS
 * @see Constants#MAVEN_INSTALLATION_EXTENSIONS
 */
@Experimental
public record CoreExtensions(Path source, List<CoreExtension> coreExtensions) {
    public CoreExtensions(Path source, List<CoreExtension> coreExtensions) {
        this.source = requireNonNull(source, "source");
        this.coreExtensions = requireNonNull(coreExtensions, "coreExtensions");
    }

          <version>1.0.0+</version>
          <association xml.itemsStyle="flat">
            <type>CoreExtension</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
    </class>
    <class xml.tagName="extension">
      <name>CoreExtension</name>
      <description>Describes a build extension to utilise.</description>
      <version>1.0.0+</version>