public static ReadRequest convertToReadRequest(GetRequest request) {
        return ReadRequest.newBuilder()
                .setGroup(request.getGroup())
                .setData(request.getData())
                .putAllExtendInfo(request.getExtendInfoMap())
                .build();
    }
@Test
    void testConvertToReadRequest() {
        ByteString data = ByteString.copyFrom("data".getBytes());
        String group = "test";
        
        GetRequest getRequest = GetRequest.newBuilder().setGroup(group).setData(data).putExtendInfo("k", "v").build();
        ReadRequest readRequest = ProtoMessageUtil.convertToReadRequest(getRequest);
        
        assertEquals(group, readRequest.getGroup());
        
        assertEquals(data, readRequest.getData());
        
        assertEquals(1, readRequest.getExtendInfoCount());
    }