networking.EnvoyFilter_HTTP_FILTER: {
				{
					Name:      "http",
					Namespace: "ns",
					FullName:  "ns/http",
				},
			},
			networking.EnvoyFilter_NETWORK_FILTER: {
				{
					Name:      "b",
					Namespace: "ns",
					FullName:  "ns/b",
				},
				{
					Name:      "c",
					Namespace: "ns",
					FullName:  "ns/c",
				},
				{

		obj = &route.RouteConfiguration{}
	case networking.EnvoyFilter_FILTER_CHAIN:
		obj = &listener.FilterChain{}
	case networking.EnvoyFilter_HTTP_FILTER:
		obj = &hcm.HttpFilter{}
	case networking.EnvoyFilter_NETWORK_FILTER:
		obj = &listener.Filter{}
	case networking.EnvoyFilter_VIRTUAL_HOST:
		obj = &route.VirtualHost{}
	case networking.EnvoyFilter_HTTP_ROUTE:
		obj = &route.Route{}
	case networking.EnvoyFilter_EXTENSION_CONFIG:

			}
		} else if patch.Patch.Operation == network.EnvoyFilter_Patch_REPLACE {
			// the REPLACE operation is only valid for HTTP_FILTER and NETWORK_FILTER.
			if patch.ApplyTo != network.EnvoyFilter_NETWORK_FILTER && patch.ApplyTo != network.EnvoyFilter_HTTP_FILTER {
				// provide an error message indicating an invalid filter type
				message := msg.NewEnvoyFilterUsesReplaceOperationIncorrectly(r)

			// http filter and http route, convert the rest to add
			if cpw.ApplyTo != networking.EnvoyFilter_HTTP_FILTER &&
				cpw.ApplyTo != networking.EnvoyFilter_NETWORK_FILTER &&
				cpw.ApplyTo != networking.EnvoyFilter_HTTP_ROUTE &&
				cpw.ApplyTo != networking.EnvoyFilter_LISTENER_FILTER {
				cpw.Operation = networking.EnvoyFilter_Patch_ADD
			}
		}