对Flutter中的对象进行JSON序列化和反序列化

Since Flutter took out dart:mirrors off of its SDK, it's no longer possible to use libraries like dartson for JSON to object serialization/deserialization. However I've read that built_value is another way of achieving a similar purpose. I couldn't find any good examples on how to implement it as it contains a significant amount of boiler plate code. Can someone give me an example? For instance, this is the JSON I'm trying to serialize to objects:Since Flutter took out dart:mirrors off of its