return new CoreExtensionsStaxReader()
                            .read(is, true, InputSource.of(extensionsFile))
                            .getExtensions();
                }
            }
        }
        return List.of();
    }

    private ClassRealm setupContainerRealm(

                            EMPTY,
                            problems,
                            errOn30,
                            Version.V20,
                            p.getExtensions(),
                            p.getKey(),
                            p);

                    validate20EffectivePluginDependencies(problems, p, request);
                }