@Max(100000)
    @ValidateTypeFailure
    public Integer purgeSuggestSearchLogDay;

    @Size(max = 1000)
    public String ldapProviderUrl;

    @Size(max = 1000)
    public String ldapSecurityPrincipal;

    @Size(max = 1000)
    public String ldapAdminSecurityPrincipal;

    @Size(max = 1000)
    public String ldapAdminSecurityCredentials;

    @Size(max = 1000)
    public String ldapBaseDn;