@Test
    void testRestartSpecification() {
        DefLine r0 = new DefLine("i int");
        DefLine r1 = new DefLine("i int restart");
        assertFalse(r0.getRestart());
        assertTrue(r1.getRestart());
    }
'file' parameters with default value is currently (2010-01-05) not allowed, but that might change in
the future, so the test is included to verify that value and name can be retrieved.
configgen/src/test/java/com/yahoo/config/codegen/DefLineParsingTest.java