{
List contribution = new ArrayList();
// Add the default symbol sources FactoryDefaults and
// ApplicationDefaults
SymbolSource factoryDefaults = (SymbolSource) context.getService(
"FactoryDefaultsSymbolSource", SymbolSource.class);
SymbolSourceContribution factoryDefaultsContrib = new SymbolSourceContribution(factoryDefaults,
"hivemind.FactoryDefaults", null, null);
contribution.add(factoryDefaultsContrib);
SymbolSource applicationDefaults = (SymbolSource) context.getService(
"ApplicationDefaultsSymbolSource", SymbolSource.class);
SymbolSourceContribution applicationDefaultsContrib = new SymbolSourceContribution(applicationDefaults,
"hivemind.ApplicationDefaults", null, "hivemind.FactoryDefaults");
contribution.add(applicationDefaultsContrib);