public static ISVNProgressViewer createInstance(ISVNProgressViewer parentProgressViewer, double lowerBound, double upperBound) {
public static ISVNProgressViewer createInstance(ISVNProgressViewer parentProgressViewer, long currentIndex, long indexCount) {
	public static ISVNProgressViewer createInstance(ISVNProgressViewer parentProgressViewer, double lowerBound, double upperBound) {		SVNAssert.assertNotNull(parentProgressViewer);		SVNAssert.assertTrue(lowerBound >= 0.0 && lowerBound <= upperBound && upperBound <= 1.0);		return new SVNProgressRangeViewer(parentProgressViewer, lowerBound, upperBound);	}