syntax = "proto2";

message Test {
    required string f1 = 1;
    required int64 f2 = 2;
    repeated uint64 fa = 3;
    repeated int32 fb = 4;
    repeated int32 fc = 5 [packed = true];
    repeated Pair pairs = 6;
    optional bytes bbbb = 7;

    required uint32 uint32 = 10;
    required uint64 uint64 = 11;
    required sint32 sint32 = 12;
    required sint64 sint64 = 13;
    required bool bool = 14;

    repeated SomeEnum enum = 15;

    required fixed64 fixed64 = 16;
    required sfixed64 sfixed64 = 17;
    required double double = 18;

    required fixed32 fixed32 = 19;
    required sfixed32 sfixed32 = 20;
    required float float = 21;

    optional bool gtt = 100;
    optional double gtg = 101;
    
    repeated string ss = 22;
    repeated bytes bb = 23;
}

message Pair {
    required string key = 1;
    optional string value = 2;
}

message EmptyMessage {
}

enum SomeEnum {
    YES = 0;
    NO = 1;
    NEVER = 2;

    // Some uses of Protobufs prescribe prefixing enum names with the enum type name
    SOME_ENUM_OTHER_VALUE = 3;
}