},
		{
			name:        "example_usage_dns1123Subdomain",
			expr:        `format.dns1123Subdomain().validate("apiextensions.k8s.io")`,
			expectValue: types.OptionalNone,
		},
		{
			name:        "example_usage_qualifiedName",
			expr:        `format.qualifiedName().validate("apiextensions.k8s.io/v1beta1")`,
			expectValue: types.OptionalNone,
		},
		{
			name:        "example_usage_dns1123LabelPrefix",