private void registerPluginImplementedServices() {
		for (Class<?> serviceClass : pluginDescription.getServicesProvided()) {
			if (serviceClass.isInstance(this)) {
				doRegisterServiceProvided(serviceClass, this, false);
			}
		}
	}
Auto-registers any services directly implemented by this Plugin instance (i.e.,
the MyService in "class MyPlugin extends Plugin implements MyService { }" )
Ghidra/Framework/Project/src/main/java/ghidra/framework/plugintool/Plugin.java