}
        });
    }

    protected void writeArray(String name, Contents contents) throws IOException {
        jsonWriter.name(name);
        writeArray(contents);
    }

    protected void writeArray(Contents contents) throws IOException {
        jsonWriter.beginArray();
        contents.write();
        endArray();
    }

    protected void beginArray(String name) throws IOException {

            /**
             * Creates a set that selects the artifacts from this set that match the given criteria.
             * Implementations are lazy, so that the selection happens only when the contents are queried.
             *
             * @param dependencySpec Select only those artifacts reachable from first level dependencies that match the given spec.
             */

import java.io.IOException;

/**
 * A lossy attribute container serializer. It's lossy because it doesn't preserve the attribute
 * types: it will serialize the contents as strings, and read them as strings, only for reporting
 * purposes.
 */
@ServiceScope(Scope.BuildSession.class)

        } else if (isFileInfo(value)) {
            return invokeMethod(value, "getPath", String.class);
        } else {
            return value.toString();
        }
    }

    /**
     * Returns the contents of a {@code FileInfo} or null if the value is not a {@code FileInfo}.
     */
    @Nullable
    private static byte[] getContentsOrNull(@Nullable Object value) throws Exception {
        if (isFileInfo(value)) {

        expect:
        outputContains "Using local directory build cache for the root build (location = ${cacheDir}, removeUnusedEntriesAfter = 7 days)."
    }

    def "cache entry contains expected contents"() {
        buildFile << defineCacheableTask()
        when:
        withBuildCache().run("cacheable")
        then:
        def cacheKey = cacheOperations.getCacheKeyForTask(":cacheable")

            outputVisitor.visitOutputProperty("output", TreeType.FILE, UnitOfWork.OutputFileValueSupplier.fromStatic(root, contents))
        }
        1 * fileCollectionSnapshotter.snapshot(contents) >> Stub(FileCollectionSnapshotter.Result) {
            snapshot >> outputSnapshot
        }
        0 * _

        then:
        result as Map == ["output": outputSnapshot]

    URI getURI();

    /**
     * Copies the contents of this resource to the given file.
     *
     * @throws ResourceException on failure to copy the content.
     * @throws org.gradle.api.resources.MissingResourceException when the resource does not exist
     */
    ExternalResourceReadResult<Void> writeTo(File destination) throws ResourceException;

    /**
     * Copies the contents of this resource to the given file, if the resource exists.

data class ProgramSource internal constructor(val path: String, val contents: ProgramText) {

    constructor(path: String, contents: String) : this(path, text(contents))

    val text: String
        get() = contents.text

    fun map(transform: (ProgramText) -> ProgramText) =
        ProgramSource(path, transform(contents))
}


/**

    def "running TestKit functional test in test source set succeeds"() {
        given:
        run('init', '--type', 'groovy-gradle-plugin', '--dsl', scriptDsl.id)

        // Copy functional test contents into default source set test
        def projectTest = subprojectDir.file('src/test/groovy/org/example/SomeThingPluginTest.groovy')

        """
    }

    @Override
    protected extractResults() {
        def contents = normaliseLineSeparators(file("build/reports/tests/test/index.html").text)
        contents = contents.replaceAll(/(<a href=".*">Gradle .*?<\/a>) at [^<]+/, '$1 at [DATE]' )
        contents = contents.replaceAll(/\b\d+(\.\d+)?s\b/, "[TIME]")
        return contents
    }