class QueryParametersToHeadersMap implements UnaryOperator<Map<String, String>> {

    public static QueryParametersToHeadersMap getInstance(final HttpConfig httpConfig) {
        checkNotNull(httpConfig, "httpConfig");
        return new QueryParametersToHeadersMap(httpConfig.getQueryParametersAsHeaders());
    }

    private  QueryParametersToHeadersMap(final Set<HeaderDefinition> queryParametersAsHeaders);

}