countVersions(versionCount, configVersion.ClusterVersion)
			countVersions(versionCount, configVersion.RouteVersion)
			countVersions(versionCount, configVersion.ListenerVersion)
			countVersions(versionCount, configVersion.EndpointVersion)
		}
	}

	for version, count := range versionCount {
		if slices.Contains(acceptedVersions, version) {
			present += count
		} else {
			notpresent += count
		}
	}

	ProxyID         string `json:"proxy,omitempty"`
	ClusterVersion  string `json:"cluster_acked,omitempty"`
	ListenerVersion string `json:"listener_acked,omitempty"`
	RouteVersion    string `json:"route_acked,omitempty"`
	EndpointVersion string `json:"endpoint_acked,omitempty"`
}

// InitDebug initializes the debug handlers and adds a debug in-memory registry.
func (s *DiscoveryServer) InitDebug(
	mux *http.ServeMux,
	enableProfiling bool,