// Only consider devices that actually contain topology information.
		if aligned := m.deviceHasTopologyAlignment(resource); !aligned {
			klog.InfoS("Resource does not have a topology preference", "resource", resource)
			deviceHints[resource] = nil
			continue
		}

		// Short circuit to regenerate the same hints if there are already
		// devices allocated to the Container. This might happen after a

            versionAttribute('8.0')
        ]

        then:
        schema.matcher().matches(producer, consumer, ep) == [versionAttribute('7.1')]
    }

    def "fails to select one candidate if there is no clear preference"() {
        when:
        def consumer = versionAttribute('7.2')
        def producer = [
            versionAttribute('6.0'),
            versionAttribute('7.0'),

		},
		// there are 2 regions, say regionChina(node1,node3,node4) and regionIndia(node2,node5), both regions have nodes that match the preference.
		// But there are more nodes(actually more existing pods) in regionChina that match the preference than regionIndia.
		// Then, nodes in regionChina get higher score than nodes in regionIndia, and all the nodes in regionChina should get a same score(high score),

// It contains a list of APIVersionDiscovery that holds a list of APIResourceDiscovery types served for a version.
// Versions are in descending order of preference, with the first version being the preferred entry.
message APIGroupDiscovery {
  // Standard object's metadata.
  // The only field completed will be name. For instance, resourceVersion will be empty.

    /**
     * <p>Adds an arbitrary disambiguation rule to the chain.</p>
     * <p>A disambiguation rule can select the best match from a list of candidates.</p>
     *
     * <p>A rule <i>can</i> express an preference by calling the @{link {@link MultipleCandidatesDetails#closestMatch(Object)}
     * method to tell that a candidate is the best one.</p>
     *

// (pre-order, depth-first traversal).
//
// [Is] examines the tree of its first argument looking for an error that
// matches the second. It reports whether it finds a match. It should be
// used in preference to simple equality checks:
//
//	if errors.Is(err, fs.ErrExist)
//
// is preferable to
//
//	if err == fs.ErrExist
//
// because the former will succeed if err wraps [io/fs.ErrExist].
//

// It contains a list of APIVersionDiscovery that holds a list of APIResourceDiscovery types served for a version.
// Versions are in descending order of preference, with the first version being the preferred entry.
type APIGroupDiscovery struct {
	v1.TypeMeta `json:",inline"`
	// Standard object's metadata.

					},
				},
			},
		},
		{
			affinity: &v1.Affinity{
				NodeAffinity: &v1.NodeAffinity{
					PreferredDuringSchedulingIgnoredDuringExecution: []v1.PreferredSchedulingTerm{
						{
							Preference: v1.NodeSelectorTerm{
								MatchExpressions: []v1.NodeSelectorRequirement{
									{
										Key:      v1.LabelHostname,
										Operator: v1.NodeSelectorOpIn,
										Values:   []string{"host_1"},

		pref, _, _ := dtoi(ans[2])
		mx = append(mx, &MX{absDomainName(ans[3]), uint16(pref)})
	}
	// windows nslookup syntax
	// gmail.com       MX preference = 30, mail exchanger = alt3.gmail-smtp-in.l.google.com
	rx = regexp.MustCompile(`(?m)^([a-z0-9.\-]+)\s+MX preference\s*=\s*([0-9]+)\s*,\s*mail exchanger\s*=\s*([a-z0-9.\-]+)$`)
	for _, ans := range rx.FindAllStringSubmatch(r, -1) {
		pref, _, _ := dtoi(ans[2])

// It contains a list of APIVersionDiscovery that holds a list of APIResourceDiscovery types served for a version.
// Versions are in descending order of preference, with the first version being the preferred entry.
type APIGroupDiscovery struct {
	v1.TypeMeta
	// Standard object's metadata.
	// The only field completed will be name. For instance, resourceVersion will be empty.