syntax = "proto2";
import "nanopb.proto";

message TestMessage {
    required int32 field1 = 1;
    repeated string field2 = 2 [(nanopb).callback_datatype = "struct MyType*"];
    repeated string field3 = 3 [(nanopb).callback_datatype = "struct { int a; int b; }"];
    repeated string field4 = 4 [(nanopb).callback_datatype = "struct { struct { int x; } y; }",
                                (nanopb).initializer = "{{5}}"];
}