class UnicreditHeaders {

    public static Map<String, String> addPsuIdTypeHeader(Map<String, String> headers) {
        if (!POSSIBLE_PSU_ID_TYPE_VALUES.contains(headers.get(RequestHeaders.PSU_ID_TYPE))) {
            headers.put(RequestHeaders.PSU_ID_TYPE, DEFAULT_PSU_ID_TYPE);
        }

        return headers;
    }

    private  UnicreditHeaders();

}