private final XpackRestResourcesSpec restTests;

    @Inject
    public RestResourcesExtension(ObjectFactory objects) {
        restApi = new RestResourcesSpec(objects);
        restTests = new XpackRestResourcesSpec(objects);
    }

    void restApi(Action<? super RestResourcesSpec> spec) {
        spec.execute(restApi);
    }

    void restTests(Action<? super XpackRestResourcesSpec> spec) {

 * configured with `includeCore` or `includeXpack` through the `restResources.restTests` extension.
 * <i>For example:</i>
 * <pre>
 * restResources {
 *  restApi {
 *      includeXpack 'graph'
 *   }
 *   restTests {
 *     includeXpack 'graph'
 *   }
 * }
 * </pre>

        addSubProject(":test:framework") << "apply plugin: 'elasticsearch.java'"

        addSubProject(":rest-api-spec") << """
        configurations { restSpecs\nrestTests }
        artifacts {
          restSpecs(new File(projectDir, "src/main/resources/rest-api-spec/api"))
          restTests(new File(projectDir, "src/yamlRestTest/resources/rest-api-spec/test"))
        }
        """

        addSubProject(":x-pack:plugin") << """

        given:
        internalBuild()
        buildFile << """
            apply plugin: 'elasticsearch.java'
            apply plugin: 'elasticsearch.rest-resources'

            restResources {
                restTests {
                    includeCore 'foo'
                    includeXpack 'bar'
                }
            }
        """
        String apiCore1 = "foo1.json"
        String apiCore2 = "foo2.json"

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * Perform the transformations against the set of RestTests from a given file.
 */
public class RestTestTransformer {
    /**
     * Transforms a REST test based on the requested {@link RestTestTransform}'s
     *