func extractAPIVersion(r *http.Request) string {
	if matches := regexVersion.FindStringSubmatch(r.URL.Path); len(matches) > 1 {
		return matches[1]
	}
	return "unknown"
}

func methodNotAllowedHandler(api string) func(w http.ResponseWriter, r *http.Request) {
	return errorResponseHandler
}

// If none of the http routes match respond with appropriate errors

/**
 * Constrains which certificates are trusted. Pinning certificates defends against attacks on
 * certificate authorities. It also prevents connections through man-in-the-middle certificate
 * authorities either known or unknown to the application's user.
 * This class currently pins a certificate's Subject Public Key Info as described on
 * [Adam Langley's Weblog][langley]. Pins are either base64 SHA-256 hashes as in

			t.Fatal(failTestStr(anonTestStr, "error response object name differs from expected value"))
		}
	}

	// test for unknown auth case.
	anonReq.Body = readerTwo
	// Setting the `Authorization` header to a random value so that the signature falls into unknown auth case.
	anonReq.Header.Set("Authorization", "nothingElse")
	// initialize new response recorder.
	rec = httptest.NewRecorder()

        case SMB_COM_CREATE_DIRECTORY -> "SMB_COM_CREATE_DIRECTORY";
        case SMB_COM_NT_TRANSACT -> "SMB_COM_NT_TRANSACT";
        case SMB_COM_NT_TRANSACT_SECONDARY -> "SMB_COM_NT_TRANSACT_SECONDARY";
        default -> "UNKNOWN";
        };
        final String str = errorCode == 0 ? "0" : SmbException.getMessageByCode(errorCode);

     * This helps ImageMagick correctly identify file formats.
     * @param mimeType The MIME type of the content.
     * @return The file extension including the dot (e.g., ".gif"), or empty string if unknown.
     */
    protected String getExtensionFromMimeType(final String mimeType) {
        if (mimeType == null) {
            return "";
        }
        return switch (mimeType) {

	_, err = cReq.UnmarshalMsg(message.Payload)
	if err != nil {
		writeErr(fmt.Errorf("error parsing connectReq: %w", err))
		return
	}
	remote := m.targets[cReq.Host]
	if remote == nil {
		writeErr(fmt.Errorf("unknown incoming host: %v", cReq.Host))
		return
	}
	if time.Since(cReq.Time).Abs() > 5*time.Minute {
		writeErr(fmt.Errorf("time difference too large between servers: %v", time.Since(cReq.Time).Abs()))
		return
	}

	switch binary.LittleEndian.Uint16(data[0:2]) {
	case rebalMetaFmt:
	default:
		return fmt.Errorf("rebalanceMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case rebalMetaVer:
	default:
		return fmt.Errorf("rebalanceMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}

	// OK, parse data.

                            roleList.add(id);
                        } else {
                            if (logger.isDebugEnabled()) {
                                logger.debug("Unknown @odata.type: {}", memberOf);
                            }
                            groupList.add(id);
                        }
                        processParentGroup(user, groupList, roleList, id);

        if (to == null) {
            throw new InvalidUserDataException("Missing \"to\" setting for license name mapping");
        }
        if (props.size() > 2) {
            throw new InvalidUserDataException("Unknown properties for mapping on dependencyLicenses: " + props.keySet());
        }
        mappings.put(from, to);
    }

    @InputFiles
    public FileCollection getDependencies() {
        return dependencies;

     */
    ModelBuildingRequest setUserProperties(Properties userProperties);

    /**
     * Gets the start time of the build.
     *
     * @return The start time of the build or {@code null} if unknown.
     */
    Date getBuildStartTime();

    /**
     * Sets the start time of the build.
     *
     * @param buildStartTime The start time of the build, may be {@code null}.