return null
        }

        Optional<CtClass> oldClass = member.oldClass
        Optional<CtClass> newClass = member.newClass
        if (!oldClass.isPresent() || !newClass.isPresent()) {
            // breaking change would be reported
            return null
        }

        return checkSuperClassChanges(member, oldClass.get(), newClass.get())
    }

    }

    protected Violation checkSuperClassChanges(JApiClass c, CtClass oldClass, CtClass newClass) {
        Map<String, CtClass> oldInterfaces = collectImplementedInterfaces(oldClass)
        Map<String, CtClass> newInterfaces = collectImplementedInterfaces(newClass)

        newInterfaces.keySet().removeAll(oldInterfaces.keySet())

        if (newInterfaces.isEmpty()) {

        }
        repository.store(destinationFile.get().asFile)

        Date stop = new Date()
        TimeDuration elapsedTime = TimeCategory.minus(stop, start)
        Logging.getLogger(this.getClass()).lifecycle( "Parsed $counter classes in ${elapsedTime}")
    }

    def parse(File sourceFile, ClassMetaDataRepository<gradlebuild.docs.dsl.source.model.ClassMetaData> repository) {

    }

    protected Violation checkSuperClassChanges(JApiClass c, CtClass oldClass, CtClass newClass) {
        Set<CtMethod> oldMethods = collectAllPublicApiMethods(oldClass.superclass)
        Set<CtMethod> newMethods = collectAllPublicApiMethods(newClass.superclass)

        oldMethods.removeAll(newMethods)

        if (oldMethods.isEmpty()) {
            return null
        }

    @Incubating
    static class NewIncubatingBase extends NewSuper {}

    @Incubating
    interface IncubatingInterface {}

    interface InternalInterface {}

    interface StablePublicInterface {}

    CtClass oldBase
    CtClass newBase
    CtClass newSuper
    CtClass newIncubatingBase
    CtClass internalInterface
    CtClass incubatingInterface
    CtClass stablePublicInterface

    Map interfaces

import japicmp.util.Optional
import javassist.CtClass
import me.champeau.gradle.japicmp.report.Violation

class MethodsRemovedInInternalSuperClassRuleTest extends AbstractContextAwareRuleSpecification {
    MethodsRemovedInInternalSuperClassRule rule

    static class OldSuperInternal {
        void publicMethod() {}

        private void privateMethod() {}
    }

    static class OldBase extends OldSuperInternal {

    }

    @Override
    protected Violation checkSuperClassChanges(JApiClass apiClass, CtClass oldClass, CtClass newClass) {
        return acceptOrReject(apiClass.superclass, Violation.notBinaryCompatible(apiClass.superclass))
    }

import japicmp.filter.ClassFilter
import javassist.CtClass

import java.util.regex.Pattern

/**
 * Matches JVM anonymous classes.
 */
class AnonymousClassesFilter implements ClassFilter {

    private static final Pattern PATTERN = Pattern.compile('.*\\$[0-9]+$')

    @Override
    boolean matches(CtClass ctClass) {
        return ctClass.name.matches(PATTERN)
    }

import japicmp.filter.FieldFilter
import javassist.CtBehavior
import javassist.CtClass
import javassist.CtField

/**
 * Matches Kotlin <code>internal</code> members.
 */
class KotlinInternalFilter implements ClassFilter, FieldFilter, BehaviorFilter {

    @Override
    boolean matches(CtClass ctClass) {
        return KotlinMetadataQueries.INSTANCE.isKotlinInternal(ctClass)
    }

    @Override
    boolean matches(CtField ctField) {

import spock.lang.Specification

import gradlebuild.docs.dsl.source.model.ClassMetaData
import gradlebuild.docs.dsl.source.model.TypeMetaData

class ClassLinkMetaDataTest extends Specification {

    public static final String SIMPLE_CLASSNAME = 'MyClass'
    public static final String METHOD_NAME = 'calculate'

    def "can define and look up overloaded methods"() {
        given: