@Override
	protected boolean accepts(Class<? extends Plugin> c) {
		return !(ApplicationLevelOnlyPlugin.class.isAssignableFrom(c));
	}
A configuration that allows all general plugins and application plugins.  Plugins that may only
exist at the application level are filtered out.
Ghidra/Framework/Project/src/main/java/ghidra/framework/project/tool/GhidraPluginsConfiguration.java