# android.util.proto

Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)  

# android.util.proto

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[Kotlin](https://developer.android.com/reference/kotlin/android/util/proto/package-summary "View this page in Kotlin")\|Java
Provides utility classes to export protocol buffers from the system.

## Classes

|---------------------------------------------------------------------------------------------------|--------------------------------------|
| [ProtoOutputStream](https://developer.android.com/reference/android/util/proto/ProtoOutputStream) | Class to write to a protobuf stream. |

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  ## Classes

  - [ProtoOutputStream](https://developer.android.com/reference/android/util/proto/ProtoOutputStream)