open static fun <T : Any> unmarshaller(mappedType: Class<T>): SingleTransformer<Buffer, T>open static fun <T : Any> unmarshaller(mappedTypeRef: TypeReference<T>): SingleTransformer<Buffer, T>open static fun <T : Any> unmarshaller(mappedType: Class<T>, mapper: ObjectMapper): SingleTransformer<Buffer, T>open static fun <T : Any> unmarshaller(mappedTypeRef: TypeReference<T>, mapper: ObjectMapper): SingleTransformer<Buffer, T>