@Override
    public Collection<RejectedAwarePlugin> getRejectedAwarePluginList() {
        return mainLock.applyWithReadLock(rejectedAwarePluginList::getPlugins);
    }
@Test
    public void testGetRejectedAwarePluginList() {
        manager.register(new TestRejectedAwarePlugin());
        Assert.assertEquals(1, manager.getRejectedAwarePluginList().size());
    }