return s.Config
}

func (s *grpcInstance) newServer(opts ...grpc.ServerOption) grpcServer {
	if s.Port.XDSServer {
		if len(s.Port.XDSTestBootstrap) > 0 {
			opts = append(opts, xds.BootstrapContentsForTesting(s.Port.XDSTestBootstrap))
		}
		epLog.Infof("Using xDS for serverside gRPC on %d", s.Port.Port)
		grpcServer, err := xds.NewGRPCServer(opts...)
		if err != nil {
			return nil
		}
		return grpcServer
	}

			}

			grpcOptions := []grpc.ServerOption{
				grpc.Creds(creds),
			}

			bootstrapB := GRPCBootstrap("echo-rbac-mtls", "test", "127.0.1.1", xdsPort)
			grpcOptions = append(grpcOptions, xdsgrpc.BootstrapContentsForTesting(bootstrapB))

			// Replaces: grpc NewServer
			grpcServer, err := xdsgrpc.NewGRPCServer(grpcOptions...)
			if err != nil {
				t.Fatal(err)
			}