message Region {
optional uint64 id = 1 [(gogoproto.nullable) = false];
optional bytes start_key = 2;
optional bytes end_key = 3;
optional RegionEpoch region_epoch = 4;
repeated Peer peers = 5;
}
message RegionEpoch {
optional uint64 conf_ver = 1 [(gogoproto.nullable) = false];
optional uint64 version = 2 [(gogoproto.nullable) = false];
}
message Peer {
optional uint64 id = 1 [(gogoproto.nullable) = false];
optional uint64 store_id = 2 [(gogoproto.nullable) = false];
}**