private static final String FACET_PREFIX = "facet.";

    private static final String PDF_DATE = "pdf_date";

    private static final Pattern EMAIL_ADDRESS_PATTERN =
            Pattern.compile("[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}", Pattern.CASE_INSENSITIVE);

    private static LoadingCache<String, Long> resourceHashCache =

        """

        when:
        fails 'help'

        then:
        failureDescriptionContains "Cannot generate project dependency accessors because project '1library' doesn't follow the naming convention: [a-zA-Z]([A-Za-z0-9\\-_])*"
    }

    def "fails if two subprojects have the same java name"() {
        given:
        createDirs("super-cool", "super--cool")
        settingsFile << """
            include 'super-cool'

	// ---
	// The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
	// +optional
	// +kubebuilder:validation:Required
	// +kubebuilder:validation:Pattern=`^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$`
	// +kubebuilder:validation:MaxLength=316
	Error *string `json:"error,omitempty" protobuf:"bytes,3,opt,name=error"`
}

            // NOP
        }
        return encoding;
    }

    protected String parseCharset(final String content) {
        final Pattern pattern = Pattern.compile("; *charset *= *([a-zA-Z0-9\\-_]+)", Pattern.CASE_INSENSITIVE);
        final Matcher matcher = pattern.matcher(content);
        if (matcher.find()) {
            return matcher.group(1);
        }
        return null;
    }

			Description: config.DefaultComment,
			Optional:    true,
			Type:        "sentence",
		},
	}
)

// Allows only Base64 URL encoding characters.
var validRoleIDRegex = regexp.MustCompile(`^[A-Za-z0-9_-]+$`)

// Args for authentication plugin.
type Args struct {
	URL         *xnet.URL
	AuthToken   string
	Transport   http.RoundTripper
	CloseRespFn func(r io.ReadCloser)

	RolePolicy string

        then:
        failure.assertHasDescription "A problem occurred configuring root project 'invalid'"
        failure.assertHasCause "${invalidComponent} name 'bad:name' is not valid for publication. Must match regex [A-Za-z0-9_\\-.]+"

        where:
        invalidComponent | repoName    | publicationName
        "Repository"     | "bad:name"  | "mavenPub"
        "Publication"    | "mavenRepo" | "bad:name"
    }

	// The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
	// +required
	// +kubebuilder:validation:Required
	// +kubebuilder:validation:Pattern=`^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$`
	// +kubebuilder:validation:MaxLength=316
	Type string `json:"type" protobuf:"bytes,1,opt,name=type"`
	// status of the condition, one of True, False, Unknown.

	}
}

func TestFeatureGatedControllersShouldNotDefineAliases(t *testing.T) {
	featureGateRegex := regexp.MustCompile("^([a-zA-Z0-9]+)")

	alphaFeatures := sets.NewString()
	for _, featureText := range utilfeature.DefaultFeatureGate.KnownFeatures() {

    Reason: ${kind.capitalize()} aliases must match the following regular expression: [a-z]([a-zA-Z0-9_.\\-])+.

    Possible solution: Make sure the alias matches the [a-z]([a-zA-Z0-9_.\\-])+ regular expression.

    ${documentation}"""
        }
    }

    static class UnexpectedFormatVersion extends InCatalog<UnexpectedFormatVersion> {

  // must start and end with an alphanumeric character (e.g. 'MyName',  or 'my.name',  or
  // '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]') with an
  // optional DNS subdomain prefix and '/' (e.g. 'example.com/MyName')
  //
  // Required.
  optional string name = 1;