1*c8d645caSAndroid Build Coastguard Workersyntax = "proto2"; 2*c8d645caSAndroid Build Coastguard Workerimport "submessage.proto"; 3*c8d645caSAndroid Build Coastguard Worker 4*c8d645caSAndroid Build Coastguard Workermessage testmessage { 5*c8d645caSAndroid Build Coastguard Worker optional submessage sub = 1; 6*c8d645caSAndroid Build Coastguard Worker} 7