int idx = 2;
        if (beforeConvention != null) {
            delegates[idx++] = beforeConvention;
        }
        if (convention != null) {
            delegates[idx++] = convention.getExtensionsAsDynamicObject();
        }
        if (afterConvention != null) {
            delegates[idx++] = afterConvention;
        }
        boolean addedParent = false;
        if (parent != null) {

     * convention.
     *
     * @return The dynamic object
     */
    DynamicObject getExtensionsAsDynamicObject();

        logConventionDeprecation();
        if (plugins == null) {
            plugins = new LinkedHashMap<>();
        }
        return plugins;
    }

    @Override
    public DynamicObject getExtensionsAsDynamicObject() {
        // This implementation of Convention doesn't log a deprecation warning
        // because it mixes both extensions and conventions.
        // Instead, the returned object logs a deprecation warning when

        DynamicObjectAwareBean bean = newInstance(DynamicObjectAwareBean.class);
        assertThat(bean.getConvention(), sameInstance(bean.conv));
        assertThat(bean.getAsDynamicObject(), sameInstance(bean.conv.getExtensionsAsDynamicObject()));
    }

    @Test
    public void canAddDynamicPropertiesAndMethodsToJavaObject() throws Exception {
        Bean bean = newInstance(Bean.class);

Method <org.gradle.api.plugins.Convention.getExtensionsAsDynamicObject()> has arguments/return type org.gradle.internal.metaobject.DynamicObject that is not Gradle public API or primitive or built-in JDK classes or Kotlin classes in (Convention.java:0)