src/java.desktop/share/classes/javax/imageio/plugins/tiff/TIFFImageReadParam.java

@@ -46,11 +46,11 @@
  * {@code ExifParentTIFFTagSet}, and {@code GeoTIFFTagSet}
  * are included.
  *
  * @since 9
  */
-public class TIFFImageReadParam extends ImageReadParam {
+public final class TIFFImageReadParam extends ImageReadParam {
 
     private List<TIFFTagSet> allowedTagSets = new ArrayList<TIFFTagSet>(4);
 
     /**
      * Constructs a {@code TIFFImageReadParam}.  Tags defined by