private Envelope WrapOutputInEnvelope(Type innerType, object output, IDeserializerContext context)
{
Envelope envelope = EnvelopeFactory.Create(output, innerType);
IKeyValueCollection metadata = context.GetEnvelopeMetadata();
foreach (string key in metadata.Keys)
{
envelope.Metadata.Add(key, metadata.Get <object>(key));
}
return(envelope);
}