# ExperimentalPrefetch

Artifact: [androidx.browser:browser](https://developer.android.com/jetpack/androidx/releases/browser) [View Source](https://cs.android.com/search?q=file:androidx/browser/customtabs/ExperimentalPrefetch.java+class:androidx.browser.customtabs.ExperimentalPrefetch) Added in [1.9.0](https://developer.android.com/jetpack/androidx/releases/browser#1.9.0)

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```
@RequiresOptIn(level = RequiresOptIn.Level.WARNING)
public annotation ExperimentalPrefetch
```

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Denotes that the annotated method uses the experimental API `https://developer.android.com/reference/androidx/browser/customtabs/CustomTabsSession#prefetch(android.net.Uri,androidx.browser.customtabs.PrefetchOptions)`.