@Nullable
    Path getPath();

    @Nullable
    URL getURL();

    @Nullable
    InputStream getInputStream();

    @Nullable
    Reader getReader();

    @Nullable
    Transformer getTransformer();

    boolean isStrict();

    @Nullable
    String getModelId();

    @Nullable
    String getLocation();

    boolean isAddDefaultEntities();

    interface Transformer {
        /**

 *
 * @since 5.1
 */
public interface TransformOperationDescriptor extends OperationDescriptor {

    /**
     * Returns the display name of this transform operation.
     */
    TransformerDescriptor getTransformer();

    /**
     * Returns the subject of this transform operation.
     */
    SubjectDescriptor getSubject();

    /**

    }

    public String getInitialSubjectType() {
        return initialSubjectType;
    }

    public String getSubject() {
        return subject;
    }

    public String getTransformer() {
        return transformer;
    }

    @Override
    public String toString() {
        return "GroupedTransformOutputFixture{" +
            "initialSubjectType='" + initialSubjectType + '\'' +

    }

    @Override
    public String getId() {
        return id;
    }

    @Override
    public String getStage() {
        return stage;
    }

    @Override
    public Transformer getTransformer() {
        return transformer;
    }

    @Override
    public Object getExtractedData() {
        return null;
    }

    @Override
    public Serializer<Object> getDataSerializer() {

    }

    @Override
    public String getId() {
        return id;
    }

    @Override
    public String getStage() {
        return stage;
    }

    @Override
    public Transformer getTransformer() {
        return transformer;
    }

    @Override
    public T getExtractedData() {
        return dataFactory.create();
    }

    @Override
    public Serializer<T> getDataSerializer() {

            public void configure(T object) {
                PropertiesGeneratorTask.this.configure(object);
            }
        };
    }

    @Internal
    protected PropertiesTransformer getTransformer() {
        return transformer;
    }

    protected abstract void configure(T object);

    protected abstract T create();

    /**
     * The stage of this compile operation.
     * This is exposed by {@link org.gradle.internal.scripts.CompileScriptBuildOperationType.Details#getStage()}.
     * */
    String getStage();

    Transformer getTransformer();

    /**
     * The data extracted from the script. Note that this method may be called without the transformer ever being invoked, in this case of an empty script.
     */
    T getExtractedData();

                return "id"
            }

            @Override
            String getStage() {
                return "STAGE"
            }

            @Override
            Transformer getTransformer() {
                return visitor
            }


            @Override
            String getExtractedData() {
                return "extracted data"
            }

            @Override

        when: "configure jdt file"
        model.jdt.file({ fcm -> fcm.transformer } as Action<PropertiesFileContentMerger>)

        then:
        1 * propertiesMerger.getTransformer()

        when: "configure jdt properties"
        model.jdt.file.withProperties(propertiesAction)

        then:
        1 * propertiesTransformer.addAction(propertiesAction)
    }

                        + responseProcessor + ", url: " + url);
            }
            final Transformer transformer = ((DefaultResponseProcessor) responseProcessor).getTransformer();
            final ResultData resultData = transformer.transform(responseData);
            final byte[] data = resultData.getData();
            if (data != null) {
                try {