* given OS family.
     *
     * @param family the family to check for
     * @return true if the OS matches
     *
     */
    public static boolean isFamily(String family) {
        return isFamily(family, OS_NAME);
    }

    /**
     * Determines if the OS on which Maven is executing matches the
     * given OS family derived from the given OS name
     *

@font-face {
    font-family: cash-market;
    src: url("https://cash-f.squarecdn.com/static/fonts/cash-market/v2/CashMarket-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal
}

@font-face {
    font-family: cash-market;
    src: url("https://cash-f.squarecdn.com/static/fonts/cash-market/v2/CashMarket-Medium.woff2") format("woff2");
    font-weight: 500;
    font-style: normal
}

@font-face {
    font-family: cash-market;

    width: 300px;
    height: 50px;
    padding: 2px;
    font-family: Verdana, sans-serif;
    font-size: 10pt;
    color: #000000;
    text-decoration: none
}
a.plain {
    display: inline;
    float: none;
    width: auto;
    height: auto
}
a.sort {
    display: block;
    float: left;
    width: 100px;
    height: 15px;
    font-family: Verdana, sans-serif;
    font-size: 8pt;
    font-weight: bold;

    /** Kerberos AP-REQ message type */
    String KERBEROS_AP_REQ = "14";

    /** Address family: Internet (IPv4) */
    int AF_INTERNET = 2;
    /** Address family: CHANET */
    int AF_CHANET = 5;
    /** Address family: XNS */
    int AF_XNS = 6;
    /** Address family: ISO */
    int AF_ISO = 7;

    /** Authorization data type: Relevant */
    int AUTH_DATA_RELEVANT = 1;

    /**
     * Returns the OS family name based on OS detection rules.
     * This categorizes the OS into one of the supported families
     * (e.g., "windows", "unix", "mac").
     *
     * @return the operating system family name (never null)
     */
    @Nonnull
    String family();

    /**
     * Checks if the current operating system belongs to the Windows family.

    max-width: 100%;
    background: var(--color-bg);
    color: var(--color-text);
    /* font-size: 18px; */
    font-size: 15px;
    /* font-family: 'Fira Mono', Consolas, Menlo, Monaco, 'Courier New', Courier, monospace; */
    font-family: var(--md-code-font-family), 'Roboto Mono', 'Fira Mono', Consolas, Menlo, Monaco, 'Courier New', Courier, monospace;
    border-radius: 4px;
    padding: 75px 45px 35px;
    position: relative;

sampla...

        assertActivation(true, profile, newContext(null, newProperties("windows", "6.5.0-1014-aws", "aarch64")));
    }

    @Test
    void testFamily() {
        Profile profile = newProfile(ActivationOS.newBuilder().family("windows"));

        assertActivation(false, profile, newContext(null, newProperties("linux", "6.5.0-1014-aws", "amd64")));

        this.category = category;
    }

    /**
     * Gets the family friendly flag.
     * @return the family friendly value
     */
    public String getFamilyFriendly() {
        return familyFriendly;
    }

    /**
     * Sets the family friendly flag.
     * @param familyFriendly the family friendly value to set
     */
    public void setFamilyFriendly(final String familyFriendly) {

        if (reverse) {
            return !result;
        } else {
            return result;
        }
    }

    private boolean determineFamilyMatch(String family) {
        String test = family;
        boolean reverse = false;

        if (test.startsWith("!")) {
            reverse = true;
            test = test.substring(1);
        }