dubbo:
  registries:
    demoZK:
      protocol: nacos
      address: 127.0.0.1:8848
      registry-type: all
  metadata-report:
    protocol: nacos
    address: 127.0.0.1:8848
  protocols:
    triple:
      name: tri
      port: 20000
  provider:
    services:
      GreeterProvider:
        interface: com.apache.dubbo.sample.basic.IGreeter # must be compatible with grpc or dubbo-java