}
        return props.keys.map { it as String }.sorted()
    }

    private
    fun fetchLatestVersions(pluginIds: List<String>): List<TestedVersion> =
        pluginIds
            .map { pluginId ->
                val metadataUrl = "https://plugins.gradle.org/m2/${pluginId.replace('.', '/')}/$pluginId.gradle.plugin/maven-metadata.xml"
                val latest = fetchVersionsFromMavenMetadata(metadataUrl)

            String pluginId = extension.getPluginId();
            ClassExtensionDoc classExtensionDoc = plugins.get(pluginId);
            if (classExtensionDoc == null) {
                classExtensionDoc = new ClassExtensionDoc(pluginId, classDoc);
                plugins.put(pluginId, classExtensionDoc);
            }

 */
class ClassExtensionDoc {
    private final Set<ClassDoc> mixinClasses = []
    private final Map<String, ClassDoc> extensionClasses = [:]
    private final String pluginId
    final ClassDoc targetClass
    final List<PropertyDoc> extraProperties = []
    final List<BlockDoc> extraBlocks = []

    ClassExtensionDoc(String pluginId, ClassDoc targetClass) {

        .map { (memberName, pluginId, implementationClass) ->
            """
            /**
             * The builtin Gradle plugin implemented by [$implementationClass].
             *
             * @see $implementationClass
             */
            inline val $pluginDependenciesSpecQualifiedName.`$memberName`: $pluginDependencySpecQualifiedName
                get() = id("$pluginId")
            """.trimIndent()
        }

 * limitations under the License.
 */
package gradlebuild.docs.dsl.docbook.model

class MixinMetaData {
    final String pluginId
    final String mixinClass

    MixinMetaData(String pluginId, String mixinClass) {
        this.pluginId = pluginId
        this.mixinClass = mixinClass
    }

 * limitations under the License.
 */
package gradlebuild.docs.dsl.docbook.model

class ExtensionMetaData {
    final String pluginId
    final String extensionId
    final String extensionClass

    ExtensionMetaData(String pluginId, String extensionId, String extensionClass) {
        this.pluginId = pluginId
        this.extensionId = extensionId
        this.extensionClass = extensionClass
    }

        provider.root.plugin.each { Element plugin ->
            def pluginId = plugin.'@id'
            if (!pluginId) {
                throw new RuntimeException("No id specified for plugin: ${plugin.'@description' ?: 'unknown'}")
            }
            plugin.extends.each { Element e ->
                def targetClass = e.'@targetClass'

import org.gradle.plugin.devel.GradlePluginDevelopmentExtension


abstract class PluginPublishExtension(
    private val gradlePlugin: GradlePluginDevelopmentExtension
) {

    fun bundledGradlePlugin(name: String, shortDescription: String, pluginId: String, pluginClass: String) {
        gradlePlugin.plugins {
            register(name) {
                id = pluginId
                displayName = shortDescription

            doc.mergeContent()
        }

        then:
        doc.classExtensions.size() == 2

        doc.classExtensions[0].pluginId == 'a'
        doc.classExtensions[0].mixinClasses == [extensionA1, extensionA2] as Set

        doc.classExtensions[1].pluginId == 'b'
        doc.classExtensions[1].mixinClasses == [extensionB] as Set
    }

    def buildsExtensionsForClassExtensions() {

    }
} catch (cause: IOException) {
    throw IllegalArgumentException(
        "Failed to extract plugin metadata from '" + jar.path + "'",
        cause
    )
}


private
fun isGradlePluginPropertiesFile(entry: JarEntry) = entry.run {
    !isDirectory && name.run { startsWith("META-INF/gradle-plugins/") && endsWith(".properties") }