public final Map<EncodeHintType, Object> getWriterHintMap() {
        return writerHintMap;
    }
@Test
    final void testGetWriterHintMap() throws IOException {
        try (BarcodeDataFormat instance = new BarcodeDataFormat()) {
            Map<EncodeHintType, Object> result = instance.getWriterHintMap();
            assertNotNull(result);
        }
    }