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<https://developer.android.com/reference/kotlin/org/json/JSONObject>. I'm trying to use a public method of this class as follows:

```fun getSource(inp: JSONObject, key: String): String{
    return JSONObject(inp.getString("_source")).optString(key)
}```
My ide is saying that the public methods getString and optString are unresolved references.  Anyone know what the issue might be?

I have:
```open class JSONObject```
Do I need something else?

If you have defined JSONObject just like the snippet you wrote above, instead of defining it by your own, you should import it to use it

Right but what's the import?  Is it import org.json?  Because then my ide is saying json is an unresolved reference.

Tried that too and my ide still says that json is an unresolved reference

Can you post the whole file - relevant JSON code and imports?

Problem went away!  Just had to add a dependency to a gradle file and then wait a while