public static MessageHeaders createVerstrekkingAanAfnemerHeaders(Map<String, Object> additionalHeaders) {
        validateHeaders(additionalHeaders);
        Map<String, Object> headersMap = createBasicHeaderMap();

        headersMap.put(nl.logius.digid.digilevering.lib.model.Headers.X_AUX_ACTION, "verstrekkingAanAfnemer");
        headersMap.put(nl.logius.digid.digilevering.lib.model.Headers.X_AUX_ACTIVITY, "dgl:ontvangen:1.0");
        headersMap.put(nl.logius.digid.digilevering.lib.model.Headers.X_AUX_PROCESS_TYPE, "dgl:ontvangen:1.0");
        headersMap.put(nl.logius.digid.digilevering.lib.model.Headers.X_AUX_PROCESS_VERSION, "1.0");
        headersMap.putAll(additionalHeaders);

        MessageHeaders headers = new MessageHeaders(headersMap);
        return headers;
    }
@Test
    public void testVerstrekkingAanAfnemerHeaders() {
        MessageHeaders verstrekkingAanAfnemerHeaders = HeaderUtil.createVerstrekkingAanAfnemerHeaders(validHeaders());

        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_PRODUCTION), is("Test"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_PROTOCOL), is("ebMS"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_PROTOCOL_VERSION), is("2.0"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_SYSTEM_MSG_ID).toString(), matchesPattern(UUID_REGEX));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_PROCESS_INSTANCE_ID).toString(), matchesPattern(UUID_REGEX));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_SEQ_NUMBER), is("0"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_MSG_ORDER), is("false"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_ACTION), is("verstrekkingAanAfnemer"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_ACTIVITY), is("dgl:ontvangen:1.0"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_PROCESS_TYPE), is("dgl:ontvangen:1.0"));
        assertThat(verstrekkingAanAfnemerHeaders.get(Headers.X_AUX_PROCESS_VERSION), is("1.0"));
    }