/** The key of the configuration. e.g. givenName */
    String LDAP_ATTR_GIVEN_NAME = "ldap.attr.givenName";

    /** The key of the configuration. e.g. employeeNumber */
    String LDAP_ATTR_EMPLOYEE_NUMBER = "ldap.attr.employeeNumber";

    /** The key of the configuration. e.g. mail */
    String LDAP_ATTR_MAIL = "ldap.attr.mail";

    /** The key of the configuration. e.g. telephoneNumber */