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kotlinlang

Hi, how can I use `Parameters.build` now that `StringValuesBuilder` is internal? My use case is sending a request that has `application/x-www-form-urlencoded` data. Using this:
```FormDataContent(Parameters.build {
    append("some", "thing")
})```
results in a warning (and an error in my case since I'm using `-Werror`) on the `append` call.
`This API is internal in ktor and should not be used. It could be removed or changed without notice.`
This is because `StringValuesBuilder` is marked with `@InternalAPI`, andd using it is required for doing basically any building for parameters. Is it now impossible to use `FormDataContent` without relying on Ktor's internals?

Not quite sure why you need the `FormDataContent` - but anyway it looks like you can use `Parameters` factories now i.e. `parametersOf()`

<@ULX1N6K7B> just add `@OptIn(InternalAPI::class)`  for now. For more information please read <https://youtrack.jetbrains.com/issue/KTOR-3001#focus=Comments-27-5105259.0-0>.