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Methods in java.awt.image with parameters of type WritableRenderedImage 
| Modifier and Type | Method | Description |  
| void | TileObserver. tileUpdate(WritableRenderedImage source,
          int tileX,
          int tileY,
          boolean willBeWritable) | A tile is about to be updated (it is either about to be grabbed
 for writing, or it is being released from writing). |