public bool Remove(ResourceBundle bundle)
 {
     if (Has(bundle))
     {
         foreach (var(key, value) in bundle.Content)
         {
             Remove(key, value);
         }
         return(true);
     }
     else
     {
         return(false);
     }
 }
 public bool Has(ResourceBundle bundle)
 {
     return(bundle.Content.All(pair => Has(pair.Key, pair.Value)));
 }