# WebViewCompat.ExperimentalAsyncStartUp

Artifact: [androidx.webkit:webkit](https://developer.android.com/jetpack/androidx/releases/webkit) [View Source](https://cs.android.com/search?q=file:androidx/webkit/WebViewCompat.java+class:androidx.webkit.WebViewCompat.ExperimentalAsyncStartUp) Added in [1.13.0](https://developer.android.com/jetpack/androidx/releases/webkit#1.13.0)

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```
@Retention(value = RetentionPolicy.CLASS)
@Target(value = [ElementType.METHOD, ElementType.TYPE, ElementType.FIELD])
@RequiresOptIn(level = RequiresOptIn.Level.ERROR)
public annotation WebViewCompat.ExperimentalAsyncStartUp
```

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Denotes that the async startup-related API (e.g `startupWebView`, `
ProcessGlobalConfig.setUiThreadStartupMode`) is experimental.

It may change without warning and should not be relied upon for non-experimental purposes.