 = 0;    // a map of client CIDR to server address that is serving this group.   // This is to help clients reach servers in the most network-efficient way possible.   // Clients can use the appropriate server address as per the CIDR that they match.   // In case of multiple matches, clients should use the longest matching CIDR.   // The server returns only those CIDRs that it thinks that the client can match.   // For example: the master will return an internal IP CIDR only, if the client reaches the server using an internal IP.   // Server looks at X-Forwarded-For header or X-Real-Ip header or request.RemoteAddr (in that order) to get the client IP.   repeated ServerAddressByClientCIDR serverAddressByClientCIDRs = 0; }  // 