parameters.setTargetType("tar-get");
Object[] rparts = client.invoke("operation1", parameters, bucketOfBytes);
Operation1Response r = (Operation1Response)rparts[0];
assertEquals(md5(bucketOfBytes), r.getStatus());
ClientCallback callback = new ClientCallback();
client.invoke(callback, "operation1", parameters, bucketOfBytes);
rparts = callback.get();
r = (Operation1Response)rparts[0];
assertEquals(md5(bucketOfBytes), r.getStatus());
}