def value

    TestDomainObject(String value) {
        this.value = value
    }

    @Override
    boolean equals(Object o) {
        return o.value == value
    }

    @Override
    int hashCode() {
        return value.hashCode()
    }

    void attach(ClassMetaDataRepository<TestDomainObject> repository) {
    }

                classesContainingMethod.add(current)
            } else {
                break
            }
            current = current.getSuperclass()
        }

        for (int i = classesContainingMethod.size() - 1; i > 0; --i) {
            current = classesContainingMethod.get(i)
            if (!isInternal(current)) {
                // there's another public super class which contains target method

    static class ExecResult {
        String stdout
        String stderr
        int returnCode
    }

    static ExecResult exec(String command) {
        Process process = command.execute()
        def stdoutFuture = readStreamAsync(process.inputStream)
        def stderrFuture = readStreamAsync(process.errorStream)

        int returnCode = process.waitFor()
        String stdout = stdoutFuture.get()

        SimpleClassMetaDataRepository<gradlebuild.docs.dsl.source.model.ClassMetaData> repository = new SimpleClassMetaDataRepository<gradlebuild.docs.dsl.source.model.ClassMetaData>()
        int counter = 0
        source.filter { File f -> f.name.endsWith(".java") || f.name.endsWith(".groovy") }.each { File f ->
            parse(f, repository)
            counter++
        }

            List<Boolean> oldParametersNullability = parametersNullabilityOf(oldBehavior)
            List<Boolean> newParametersNullability = parametersNullabilityOf(newBehavior)

            for (int idx = 0; idx < oldParametersNullability.size(); idx++) {
                def oldNullability = oldParametersNullability[idx]
                def newNullability = newParametersNullability[idx]