propertyToProxy method
Implementation
ObjectPrx? propertyToProxy(String prefix) {
// Hello.Proxy=hello:tcp -p 10000:udp -p 10000:ssl -p 10001
// -----------
// prefix
String proxy = initData.properties.getProperty(prefix);
if (proxy.isEmpty) return null;
final ref = referenceFactory.create(proxy, prefix);
return ObjectPrx.create(ref);
}