AI-generated Key Takeaways
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          The content contains data classes for snapshot functionality. 
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          The Snapshotinterface represents a saved game.
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          The SnapshotContentsinterface represents the contents of a snapshot.
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          The SnapshotMetadatainterface represents the metadata of a saved game.
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          The SnapshotMetadataChangeinterface represents changes to apply to snapshot metadata.
        Contains data classes for snapshot functionality.
      
      Interfaces
| Snapshot | Data interface for a representation of a saved game. | 
| SnapshotContents | Data interface for a representation of Snapshotcontents. | 
| SnapshotMetadata | Data interface for the metadata of a saved game. | 
| SnapshotMetadataChange | A collection of changes to apply to the metadata of a snapshot. | 
Classes
| SnapshotEntity | Data object representing the data for a saved game. | 
| SnapshotMetadataBuffer | Data structure providing access to a list of snapshots. | 
| SnapshotMetadataChange.Builder | Builder for SnapshotMetadataChangeobjects. | 
| SnapshotMetadataEntity | Data object representing the metadata for a saved game. |