}

    public Set<String> getExcludeGroups() {
        return excludeGroups;
    }

    public Set<String> getIncludeGroups() {
        return includeGroups;
    }

    public boolean getUseDefaultListeners() {
        return useDefaultListener;
    }

    public String getThreadPoolFactoryClass() {
        return threadPoolFactoryClass;
    }

    public int getThreadCount() {

        return new TestNGSpec(filter.toSpec(),
            options.getSuiteName(), options.getTestName(), options.getParallel(), options.getThreadCount(), options.getSuiteThreadPoolSize().get(),
            options.getUseDefaultListeners(), options.getThreadPoolFactoryClass(),
            options.getIncludeGroups(), options.getExcludeGroups(), options.getListeners(),

        if (className != null && !className.isEmpty()) {
            setThreadPoolFactoryClass(testNg, spec.getThreadPoolFactoryClass());
        }

        testNg.setUseDefaultListeners(spec.getUseDefaultListeners());
        testNg.setVerbose(0);
        testNg.setGroups(CollectionUtils.join(",", spec.getIncludeGroups()));
        testNg.setExcludedGroups(CollectionUtils.join(",", spec.getExcludeGroups()));

     * @since 8.9
     */
    @Internal
    @Incubating
    public abstract Property<Integer> getSuiteThreadPoolSize();

    @Internal
    public boolean getUseDefaultListeners() {
        return useDefaultListeners;
    }

    /**
     * ThreadPoolExecutorFactory class used by TestNG
     * @since 8.7
     */
    @Internal
    @Incubating

Method <org.gradle.api.tasks.testing.testng.TestNGOptions.getUseDefaultListeners()> does not have raw return type assignable to org.gradle.api.provider.Property in (TestNGOptions.java:0)