@Override
    public Collection<ThreadPoolPluginSupport> getAllManagedThreadPoolPluginSupports() {
        return managedThreadPoolPluginSupports.values();
    }
@Test
    public void testGetAllManagedThreadPoolPluginSupports() {
        GlobalThreadPoolPluginManager manager = new DefaultGlobalThreadPoolPluginManager();
        manager.registerThreadPoolPluginSupport(new TestSupport("1"));
        manager.registerThreadPoolPluginSupport(new TestSupport("2"));
        Assert.assertEquals(2, manager.getAllManagedThreadPoolPluginSupports().size());
    }