public int getSerializedSize() {
            int size = memoizedSize;
            if (size != -1)
                return size;

            size = 0;
            {
                int dataSize = 0;
                for (int i = 0; i < oldPeers_.size(); i++) {
                    dataSize += computeStringSizeNoTag(oldPeers_.getRaw(i));
                }
                size += dataSize;
                size += 1 * getOldPeersList().size();
            }
            {
                int dataSize = 0;
                for (int i = 0; i < newPeers_.size(); i++) {
                    dataSize += computeStringSizeNoTag(newPeers_.getRaw(i));
                }
                size += dataSize;
                size += 1 * getNewPeersList().size();
            }
            if (((bitField0_ & 0x00000001) == 0x00000001)) {
                size += com.google.protobuf.CodedOutputStream.computeMessageSize(99, getErrorResponse());
            }
            size += unknownFields.getSerializedSize();
            memoizedSize = size;
            return size;
        }
<code>optional .jraft.ErrorResponse errorResponse = 99;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/rpc/CliRequests.java