public T send() throws IOException {
        return web3jService.send(this, responseType);
    }
@Test
    public void testEthCompileSerpent() throws Exception {
        web3j.ethCompileSerpent("/* some serpent */").send();

        verifyResult(
                "{\"jsonrpc\":\"2.0\",\"method\":\"eth_compileSerpent\","
                        + "\"params\":[\"/* some serpent */\"],\"id\":1}");
    }