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Evening folks! I'm using the latest Kotlinx serialization release and was wondering if the only way to handle an incomplete json is to tediously maintain custom deserializers for all classes that would require it?

e: For fields that are non-nullable, mind you. I'm aware of the `explicitNulls` configuration for nullable properties with no default value

What do you mean by ‘incomplete json’? Could you share an example? That would help understand what you mean.

Say I have a class defined as
```data class MyClass(name: String, age: Int)```
And I decode this json string
```{ "name": "Bob" }```
I want the result to be `MyClass(name="Bob", age=0)`

```data class MyClass(name: String, age: Int = 0)```

<https://github.com/Kotlin/kotlinx.serialization/blob/v1.4.1/docs/basic-serialization.md#optional-properties>

I have no idea why I didn't even think about that... Thanks!