@Override
  public long sizeInBytes() {
    return super.sizeInBytes() + (long) Life_Version_InBytes;
  }
Constructs a {@link UndeleteResponse} with a valid lifeVersion. The error code will be set to {@link ServerErrorCode#NoError}.
@param correlationId correlationId of the undelete response.
@param clientId clientId of the undelete response.
@param lifeVersion a valid lifeVersion to return to client.
@param error error code returned in this undelete response.
ambry-protocol/src/main/java/com/github/ambry/protocol/UndeleteResponse.java