return null;
        }
    }

    /**
     * Test that the wire-format of the parameters is produced
     * correctly when all fields are set to typical values.
     */
    @Test
    void happyPathParameterEncoding() throws Exception {
        Configuration cfg = mock(Configuration.class);
        SmbComLockingAndX cmd = new SmbComLockingAndX(cfg);
        // set fields via reflection
        setField(cmd, "fid", 0x1234);