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

        assertTrue(dataFormat.isHeadersDisabled());
        assertNull(dataFormat.createAndConfigureWriterSettings().getHeaders());
        assertNull(dataFormat.createAndConfigureParserSettings().getHeaders());
    }