public T send() throws IOException {
        return web3jService.send(this, responseType);
    }
@Test
    public void testEthGetUncleByBlockHashAndIndex() throws Exception {
        web3j.ethGetUncleByBlockHashAndIndex(
                        "0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b",
                        BigInteger.ZERO)
                .send();

        verifyResult(
                "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getUncleByBlockHashAndIndex\","
                        + "\"params\":["
                        + "\"0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b\",\"0x0\"],"
                        + "\"id\":1}");
    }