func BuildConfigInfoMetadata(config config.Meta) *core.Metadata {
	return AddConfigInfoMetadata(nil, config)
}

// AddConfigInfoMetadata adds name.namespace of the config, the type, etc
// to the given core.Metadata struct, if metadata is not initialized, build a new metadata.
func AddConfigInfoMetadata(metadata *core.Metadata, config config.Meta) *core.Metadata {
	if metadata == nil {

	// Add the DestinationRule+subsets metadata. Metadata here is generated on a per-cluster
	// basis in buildCluster, so we can just insert without a copy.
	subsetCluster.cluster.Metadata = util.AddConfigInfoMetadata(subsetCluster.cluster.Metadata, destRule.Meta)
	util.AddSubsetToMetadata(subsetCluster.cluster.Metadata, subset.Name)

						},
					},
				},
			},
		},
	}

	for _, v := range cases {
		t.Run(v.name, func(tt *testing.T) {
			got := AddConfigInfoMetadata(v.meta, v.in)
			if diff := cmp.Diff(got, v.want, protocmp.Transform()); diff != "" {
				tt.Errorf("AddConfigInfoMetadata(%v) produced incorrect result:\ngot: %v\nwant: %v\nDiff: %s", v.in, got, v.want, diff)
			}
		})
	}
}