Upgrade from batik 1.6 to 1.7: flushing the image cache
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I am trying to upgrade to batik 1.7.  I found a compile error on this line:

        org.apache.batik.ext.awt.image.spi.ImageTagRegistry.getRegistry().flushCache();

The class doesn't exist, even in another package.  The notes indicate that the purpose was to clear batik's image cache that changes to the source SVG files could result in changes in the generated images.

Is there a batik 1.7 way to clear the image cache?