public ProtocolBuilder iothreads(Integer iothreads) {
        this.iothreads = iothreads;
        return getThis();
    }
@Test
    void iothreads() {
        ProtocolBuilder builder = new ProtocolBuilder();
        builder.iothreads(25);
        Assertions.assertEquals(25, builder.build().getIothreads());
    }