# ProtoLayoutExperimental

# ProtoLayoutExperimental

Artifact:[androidx.wear.protolayout:protolayout-expression](https://developer.android.com/jetpack/androidx/releases/wear-protolayout)  
[View Source](https://cs.android.com/search?q=file:androidx/wear/protolayout/expression/ProtoLayoutExperimental.java+class:androidx.wear.protolayout.expression.ProtoLayoutExperimental)  
Added in[1.0.0](https://developer.android.com/jetpack/androidx/releases/wear-protolayout#1.0.0)

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Kotlin\|[Java](https://developer.android.com/reference/androidx/wear/protolayout/expression/ProtoLayoutExperimental "View this page in Java")

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

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Denotes that this API surface is experimental. It may change without warning, and it may not render correctly on all ProtoLayout renderers.