public static Builder newBuilder(com.alipay.sofa.jraft.rpc.RpcRequests.TimeoutNowResponse prototype) {
            return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
        }
<code>optional .jraft.ErrorResponse errorResponse = 99;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/rpc/RpcRequests.java