You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: model.go
    path of file: ./repos/istio/pilot/pkg/xds/v3
    
    the code of the file until where you have to start completion: // Copyright Istio Authors
//
// Licensed u
    
func GetShortType(typeURL string) string {
	switch typeURL {
	case ClusterType:
		return "CDS"
	case ListenerType:
		return "LDS"
	case RouteType:
		return "RDS"
	case EndpointType:
		return "EDS"
	case SecretType:
		return "SDS"
	case NameTableType:
		return "NDS"
	case ProxyConfigType:
		return "PCDS"
	case ExtensionConfigurationType:
		return "ECDS"
	case AddressType, WorkloadType:
		return "WDS"
	case WorkloadAuthorizationType:
		return "WADS"
	default:
		return typeURL
	}
}