@Override
    public String toString() {
        return new StringJoiner(", ", LdapConfigBean.class.getSimpleName() + "[", "]")
            .add("bindDn='" + bindDn + "'")
            .add("bindPassword='" + bindPassword + "'")
            .add("host='" + host + "'")
            .add("port=" + port)
            .add("scheme='" + scheme + "'")
            .toString();
    }
Set the LDAP scheme, for instance <tt>ldap</tt> or <tt>ldaps</tt>.

@param scheme the scheme to set
gateway/engine/core/src/main/java/io/apiman/gateway/engine/components/ldap/LdapConfigBean.java