Interface
Android
```kotlin
@ExperimentalMaterial3AdaptiveApi
interface ThreePaneScaffoldState
```
The state of `ThreePaneScaffold`. It provides the layout directive and value state that will
be updated directly. It also provides functions to perform navigation.
## Properties
Android
```kotlin
val scaffoldDirective: PaneScaffoldDirective
```
Android
```kotlin
val scaffoldValue: ThreePaneScaffoldValue
```