SourceNSClientPlugin extends PluginBase implements BgSourceInterface { public static SourceNSClientPlugin getPlugin() { if (plugin == null) plugin = new SourceNSClientPlugin(); return plugin; } private  SourceNSClientPlugin(); static SourceNSClientPlugin getPlugin(); @Override boolean advancedFilteringSupported(); @Override void handleNewData(Intent intent); void detectSource(String source, long timeStamp);  }
@Test public void getPlugin() { Assert.assertNotEquals(null, SourceNSClientPlugin.getPlugin()); }