final TestProtos.EchoRequestProto request =
TestProtos.EchoRequestProto.newBuilder().setMessage("hello").build();
try {
// scan: for all regions
final RpcController controller = new ServerRpcController();
// test that null results are supported
Map<byte[], String> results = table.coprocessorService(TestRpcServiceProtos.TestProtobufRpcProto.class,
ROWS[0], ROWS[ROWS.length - 1],
new Batch.Call<TestRpcServiceProtos.TestProtobufRpcProto, String>() {
public String call(TestRpcServiceProtos.TestProtobufRpcProto instance)