public void setDisabled(boolean disabled) {
        this.disabled = disabled;
    }
Sets whether this user group has been disabled. Memberships of disabled
user groups are treated as non-existent, effectively disabling
membership in that group.

@param disabled
    true if this user group should be disabled, false otherwise.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/usergroup/UserGroupModel.java