public abstract ListProperty<String> getMethodIncludes();

    @Input
    @Optional
    public abstract ListProperty<String> getMethodExcludes();

    @Input
    @Optional
    public abstract ListProperty<String> getFieldIncludes();

    @Input
    @Optional
    public abstract ListProperty<String> getFieldExcludes();

    @Input
    @Optional
    public abstract ListProperty<String> getAnnotationIncludes();

import org.gradle.util.GradleVersion


abstract class ModuleIdentityExtension(val tasks: TaskContainer, val objects: ObjectFactory) {

    abstract val version: Property<GradleVersion>

    abstract val baseName: Property<String>

    abstract val buildTimestamp: Property<String>
    abstract val snapshot: Property<Boolean>
    abstract val promotionBuild: Property<Boolean>

    }

    @get:Input
    abstract val version: Property<String>

    @get:Input
    abstract val baseVersion: Property<String>

    @get:Input
    @get:Optional
    abstract val commitId: Property<String>

    @get:Input
    abstract val snapshot: Property<Boolean>

    @get:Input
    abstract val promotionBuild: Property<Boolean>

    @get:Input
    @get:Optional

    abstract ConfigurableFileCollection getDocbookStylesheets()

    @PathSensitive(PathSensitivity.NONE)
    @InputFile
    abstract RegularFileProperty getStylesheetHighlightFile();

    @Classpath
    abstract ConfigurableFileCollection getClasspath();

    @OutputDirectory
    abstract DirectoryProperty getDestinationDirectory();

    @Inject
    abstract WorkerLeaseService getWorkerLeaseService();

    @Inject

}

public abstract interface class okhttp3/Call : java/lang/Cloneable {
	public abstract fun cancel ()V
	public abstract fun clone ()Lokhttp3/Call;
	public abstract fun enqueue (Lokhttp3/Callback;)V
	public abstract fun execute ()Lokhttp3/Response;
	public abstract fun isCanceled ()Z
	public abstract fun isExecuted ()Z
	public abstract fun request ()Lokhttp3/Request;

 */
@UntrackedTask(because = "Not worth tracking")
abstract class UpdateAgpVersions : DefaultTask() {

    @get:Internal
    abstract val comment: Property<String>

    @get:Internal
    abstract val minimumSupportedMinor: Property<String>

    @get:Internal
    abstract val propertiesFile: RegularFileProperty

    @get:Internal
    abstract val compatibilityDocFile: RegularFileProperty

    @TaskAction

 */
@CacheableTask
public abstract class GradleKotlinDslRuntimeGeneratedSources extends DefaultTask {

    @Classpath
    public abstract ConfigurableFileCollection getInputClasspath();

    @OutputDirectory
    public abstract DirectoryProperty getGeneratedSources();

    @OutputDirectory
    public abstract DirectoryProperty getGeneratedClasses();

    @Inject

This is acceptable:

```groovy
public interface NewThing {
    Property<String> getSomeProperty()
}

abstract class DefaultNewThing implements NewThing {
    // special logic to integrate with something existing
}
```

or

```groovy
public abstract class NewThing {
    public abstract Property<String> getSomeProperty()
    // special logic to integrate with something existing
}
```

import java.net.URI;

/**
 * Configuration for generating Javadocs
 */
public abstract class Javadocs {
    /**
     * Link to Java API to use when generating Javadoc
     */
    public abstract Property<URI> getJavaApi();

    /**
     * Link to Groovy API to use when generating Javadoc
     */
    public abstract Property<URI> getGroovyApi();

    /**
     * The CSS file to style Javadocs with
     */

    }

    /**
     * <code>abstract</code>かどうか返します。
     *
     * @param clazz
     *            クラス。{@literal null}であってはいけません
     * @return <code>abstract</code>なら{@literal true}
     */
    public static boolean isAbstract(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);

        return isAbstract(clazz.getModifiers());
    }

    /**