BackStackContainer 1.12.1-beta01 API

```
@Deprecated(message = Use com.squareup.workflow1.ui.container.BackStackContainer)@WorkflowUiExperimentalApi() 
public final class BackStackContainer

                    
```
BackStackContainer has been promoted to the core workflow-ui modules, and is now built into ViewRegistry by default.
This stub has been left in place to preserve the name of the legacy ViewFactory, to ease conversion.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public class`	`BackStackContainer.Companion`

Constructor Summary

Constructors
Constructor	Description
`BackStackContainer()`

- Constructor Detail
  - BackStackContainer
```
BackStackContainer()
```