private void addMetaTypeProviderWrappers( String servicePropertyName, ServiceReference<Object> serviceReference, MetaTypeProvider service, boolean factory, Set<MetaTypeProviderWrapper> wrappers) { String[] pids = getStringProperty(servicePropertyName, serviceReference.getProperty(servicePropertyName)); for (String pid : pids) { wrappers.add(new MetaTypeProviderWrapper(service, pid, factory)); } }