diff --git a/static/Properties.certifikat-finbricks.json b/static/Properties.certifikat-finbricks.json
new file mode 100644
index 0000000..6b8dc08
--- /dev/null
+++ b/static/Properties.certifikat-finbricks.json
@@ -0,0 +1 @@
+{"id":{"showToUser":"false","propertyName":"id","dbName":"IdOsCert","name":"ID","title":"ID","type":"integer","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"true","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"false","isOverWritable":"false","hasBusinessLogic":"true","isUpperCase":"false","isLowerCase":"false","links":null},"lastUpdate":{"showToUser":"false","propertyName":"lastUpdate","dbName":"lastUpdate","name":"Posledn\u00ed zm\u011bna","title":"Posledn\u00ed zm\u011bna","type":"datetime","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"false","isOverWritable":"false","hasBusinessLogic":"true","isUpperCase":"false","isLowerCase":"false","links":null},"uzivNazev":{"showToUser":"true","propertyName":"uzivNazev","dbName":"UzivNazev","name":"Pozn\u00e1mka","title":"Pozn\u00e1mka","type":"string","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"false","maxLength":"255","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"certNazev":{"showToUser":"true","propertyName":"certNazev","dbName":"CertNazev","name":"N\u00e1zev certifik\u00e1tu","title":"N\u00e1zev certifik\u00e1tu","type":"string","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"true","maxLength":"255","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"true","isUpperCase":"false","isLowerCase":"false","links":null},"certOrgan":{"showToUser":"true","propertyName":"certOrgan","dbName":"CertOrgan","name":"Organizace certifik\u00e1tu","title":"Organizace certifik\u00e1tu","type":"string","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"true","maxLength":"255","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"platiOd":{"showToUser":"true","propertyName":"platiOd","dbName":"PlatiOd","name":"Plat\u00ed od","title":"Plat\u00ed od","type":"datetime","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"true","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"platiDo":{"showToUser":"true","propertyName":"platiDo","dbName":"PlatiDo","name":"Plat\u00ed do","title":"Plat\u00ed do","type":"datetime","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"true","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"uzivatel":{"showToUser":"true","propertyName":"uzivatel","dbName":"IdUzivatel","name":"U\u017eivatel","title":"U\u017eivatel","type":"relation","fkName":"Osoby a u\u017eivatel\u00e9 20024","fkEvidencePath":"uzivatel","fkEvidenceType":"UZIVATELE","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"false","maxLength":"254","isWritable":"false","isOverWritable":"false","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"true","url":"https:\/\/flexibee-dev.spoje.net:5434\/c\/testa_invest_s_r_o_\/uzivatel","links":null},"ucelCertK":{"showToUser":"true","propertyName":"ucelCertK","dbName":"UcelCertK","name":"\u00da\u010del certifik\u00e1tu","title":"\u00da\u010del certifik\u00e1tu","type":"select","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"true","maxLength":"50","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null,"values":{"value":[{"@key":"ucelCertK.osobni","$":"Osobn\u00ed certifik\u00e1t"},{"@key":"ucelCertK.eet","$":"Certifik\u00e1t pro EET"},{"@key":"ucelCertK.finbricks","$":"Priv\u00e1tn\u00ed kl\u00ed\u010d pro Finbricks"}]}},"external-ids":{"showToUser":"false","propertyName":"external-ids","fkEvidencePath":"external-ids","dbName":"extid","name":"external-ids","title":"extIDs","type":"relation","isVisible":"true","isSortable":"false","isHighlight":"false","inId":"true","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null}}
\ No newline at end of file
diff --git a/static/Properties.ulozene-priznani-dph.json b/static/Properties.ulozene-priznani-dph.json
new file mode 100644
index 0000000..ea86660
--- /dev/null
+++ b/static/Properties.ulozene-priznani-dph.json
@@ -0,0 +1 @@
+{"id":{"showToUser":"false","propertyName":"id","dbName":"IdRadekPriznaniDph","name":"ID","title":"ID","type":"integer","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"true","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"false","isOverWritable":"false","hasBusinessLogic":"true","isUpperCase":"false","isLowerCase":"false","links":null},"lastUpdate":{"showToUser":"false","propertyName":"lastUpdate","dbName":"lastUpdate","name":"Posledn\u00ed zm\u011bna","title":"Posledn\u00ed zm\u011bna","type":"datetime","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"false","isOverWritable":"false","hasBusinessLogic":"true","isUpperCase":"false","isLowerCase":"false","links":null},"rok":{"showToUser":"true","propertyName":"rok","dbName":"Rok","name":"Rok","title":"Rok","type":"integer","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"false","minValue":"0.0","maxValue":"9999.0","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"mesic":{"showToUser":"true","propertyName":"mesic","dbName":"Mesic","name":"M\u011bs\u00edc","title":"M\u011bs\u00edc","type":"integer","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"ctvrtleti":{"showToUser":"true","propertyName":"ctvrtleti","dbName":"Ctvrtleti","name":"\u010ctvrtlet\u00ed","title":"\u010ctvrtlet\u00ed","type":"integer","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"datum":{"showToUser":"true","propertyName":"datum","dbName":"Datum","name":"Datum v\u00fdpo\u010dtu","title":"Datum v\u00fdpo\u010dtu","type":"date","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"true","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null},"stavK":{"showToUser":"true","propertyName":"stavK","dbName":"StavK","name":"Typ p\u0159izn\u00e1n\u00ed DPH","title":"Typ p\u0159izn\u00e1n\u00ed DPH","type":"select","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"false","maxLength":"50","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null,"values":{"value":[{"@key":"stavPriznaniDph.radne","$":"\u0158\u00e1dn\u00e9"},{"@key":"stavPriznaniDph.dodatecne","$":"Dodate\u010dn\u00e9"},{"@key":"stavPriznaniDph.opravne","$":"Opravn\u00e9"}]}},"uzivatel":{"showToUser":"true","propertyName":"uzivatel","dbName":"IdUzivatel","name":"U\u017eivatel","title":"U\u017eivatel","type":"relation","fkName":"Osoby a u\u017eivatel\u00e9 20024","fkEvidencePath":"uzivatel","fkEvidenceType":"UZIVATELE","isVisible":"true","isSortable":"true","isHighlight":"false","inId":"false","inSummary":"false","inDetail":"true","inExpensive":"false","mandatory":"false","maxLength":"254","isWritable":"false","isOverWritable":"false","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"true","url":"https:\/\/flexibee-dev.spoje.net:5434\/c\/testa_invest_s_r_o_\/uzivatel","links":null},"external-ids":{"showToUser":"false","propertyName":"external-ids","fkEvidencePath":"external-ids","dbName":"extid","name":"external-ids","title":"extIDs","type":"relation","isVisible":"true","isSortable":"false","isHighlight":"false","inId":"true","inSummary":"true","inDetail":"true","inExpensive":"false","mandatory":"false","isWritable":"true","isOverWritable":"true","hasBusinessLogic":"false","isUpperCase":"false","isLowerCase":"false","links":null}}
\ No newline at end of file
diff --git a/test/src/AbraFlexi/FormatsTest.php b/test/src/AbraFlexi/FormatsTest.php
new file mode 100644
index 0000000..755467a
--- /dev/null
+++ b/test/src/AbraFlexi/FormatsTest.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace Test\AbraFlexi;
+
+use AbraFlexi\Formats;
+
+/**
+ * Generated by PHPUnit_SkeletonGenerator on 2023-12-17 at 23:30:00.
+ */
+class FormatsTest extends \PHPUnit\Framework\TestCase {
+
+    /**
+     * @var Formats
+     */
+    protected $object;
+
+    /**
+     * Sets up the fixture, for example, opens a network connection.
+     * This method is called before a test is executed.
+     */
+    protected function setUp(): void {
+        $this->object = new Formats();
+    }
+
+    /**
+     * Tears down the fixture, for example, closes a network connection.
+     * This method is called after a test is executed.
+     */
+    protected function tearDown(): void {
+        
+    }
+
+    /**
+     * @covers AbraFlexi\Formats::byContentType
+     */
+    public function testbyContentType() {
+        $this->assertTrue(array_key_exists('application/javascript', $this->object->byContentType()),);
+    }
+
+    /**
+     * @covers AbraFlexi\Formats::bySuffix
+     */
+    public function testbySuffix() {
+        $this->assertTrue(array_key_exists('js', $this->object->bySuffix()));
+    }
+
+    /**
+     * @covers AbraFlexi\Formats::suffixToContentType
+     */
+    public function testsuffixToContentType() {
+        $this->assertEquals('application/xml', $this->object->suffixToContentType('xml'));
+    }
+
+    /**
+     * @covers AbraFlexi\Formats::contentTypeToSuffix
+     */
+    public function testcontentTypeToSuffix() {
+        $this->assertEquals('xml', $this->object->contentTypeToSuffix('application/xml'));
+    }
+}