@Override
            public void onInitialized(final RemoteEndpointSettings initialized) {
                settings = initialized;
            }
Get configuration from remote through gRPC protocol.
<p>
Read configuration-service.proto for more details.
oap-server/server-configuration/grpc-configuration-sync/src/main/java/org/apache/skywalking/oap/server/configuration/grpc/GRPCConfigurationProvider.java