BusyIndicator.showWhile(Display.getCurrent(), new Runnable() {
if (fCodeGenerated) {
	protected Expression computeDefaultExpression() {		Assert.isTrue(canApply());		fSUID= SERIAL_VALUE;		BusyIndicator.showWhile(Display.getCurrent(), new Runnable() {			public final void run() {				final ObjectStreamClass stream= ObjectStreamClass.lookup(fClass);				if (stream != null)					fSUID= stream.getSerialVersionUID();			}		});		return fNode.getAST().newNumberLiteral(fSUID + LONG_SUFFIX);	}