@Override
    public String toString() {
        return "BaseResponse{" + "error=" + error + ", clusterId=" + clusterId + ", value=" + value + '}';
    }
RPC response header

@author jiachun.fjc
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/cmd/pd/BaseResponse.java