public UniVocityFixedDataFormat setFieldLengths(int[] fieldLengths) {
        this.fieldLengths = fieldLengths;
        return this;
    }
@Test
    public void shouldConfigureHeaderExtractionEnabled() {
        UniVocityFixedDataFormat dataFormat = new UniVocityFixedDataFormat()
                .setFieldLengths(new int[] { 1, 2, 3 })
                .setHeaderExtractionEnabled(true);

        assertTrue(dataFormat.getHeaderExtractionEnabled());
        assertTrue(dataFormat.createAndConfigureParserSettings().isHeaderExtractionEnabled());
    }