ydb/library/cpp/messagebus/test/example/common/messages.proto

package NCalculator;

message TRequestSumRecord {
    required int32 A = 1;
    required int32 B = 2;
}

message TRequestMulRecord {
    required int32 A = 1;
    required int32 B = 2;
}

message TResponseRecord {
    required int32 Result = 1;
}