-keep class com.moxtra.cards.entity.** {
    public *;
}
-keep enum com.moxtra.cards.Util.CardsDef$ArrowDirection { *; }
-keep enum com.moxtra.cards.Util.CardsDef$Color { *; }
-keep enum com.moxtra.cards.Util.CardsDef$ImageShape { *; }
-keep enum com.moxtra.cards.Util.CardsDef$ButtonType { *; }
-keep enum com.moxtra.cards.Util.CardsDef$MediaType { *; }
-keep enum com.moxtra.cards.Util.CardsDef$graphType { *; }
-keep enum com.moxtra.cards.Util.CardsDef$ViewType { *; }