i := strings.Index(gk, ".")
	if i == -1 {
		return GroupKind{Kind: gk}
	}

	return GroupKind{Group: gk[i+1:], Kind: gk[:i]}
}

// ParseGroupResource turns "resource.group" string into a GroupResource struct.  Empty strings are allowed
// for each field.
func ParseGroupResource(gr string) GroupResource {
	if i := strings.Index(gr, "."); i >= 0 {
		return GroupResource{Group: gr[i+1:], Resource: gr[:i]}
	}

		return nil
	}

	var allErrs field.ErrorList

	r := make([]schema.GroupResource, 0, len(resources))
	for _, resource := range resources {
		r = append(r, schema.ParseGroupResource(resource))
	}

	var hasOverlap, hasDuplicate bool

	for i, r1 := range r {
		for j, r2 := range r {
			if i == j {
				continue
			}

			if r1 == r2 && !hasDuplicate {

	aesGcmFirstTransformer := aesGcmFirstEncryptionConfiguration.Transformers[schema.ParseGroupResource("secrets")]
	aesCbcFirstTransformer := aesCbcFirstEncryptionConfiguration.Transformers[schema.ParseGroupResource("secrets")]
	secretboxFirstTransformer := secretboxFirstEncryptionConfiguration.Transformers[schema.ParseGroupResource("secrets")]

		{input: "v1.a", out: GroupResource{Group: "a", Resource: "v1"}},
		{input: "b.v1.a", out: GroupResource{Group: "v1.a", Resource: "b"}},
	}
	for i, test := range tests {
		out := ParseGroupResource(test.input)
		if out != test.out {
			t.Errorf("%d: unexpected output: %#v", i, out)
		}
	}
}

func TestParseResourceArg(t *testing.T) {
	tests := []struct {
		input string

		if err != nil {
			return nil, fmt.Errorf("invalid size of watch cache size: %s", c)
		}
		if size < 0 {
			return nil, fmt.Errorf("watch cache size cannot be negative: %s", c)
		}
		watchCacheSizes[schema.ParseGroupResource(tokens[0])] = size
	}
	return watchCacheSizes, nil
}

// WriteWatchCacheSizes turns a map of cache size values into a list of string specifications.

		}
		kmsUsed.accumulate(used)

		// For each resource, create a list of providers to use
		for _, resource := range resourceConfig.Resources {
			resource := resource
			gr := schema.ParseGroupResource(resource)

			// check if resource is masked by *.group rule
			anyResourceInGroup := schema.GroupResource{Group: gr.Group, Resource: "*"}
			if _, masked := resourceToPrefixTransformer[anyResourceInGroup]; masked {