getPositionGroup(fParameterName).addPosition(rewrite.track(elementReference));
positionGroups.getPositionGroup(fParameterName, true).addPosition(rewrite.track(elementReference), false);
	private void replaceMultipleOccurences(ASTRewrite rewrite, List occurences, TextEditGroup group) {		for (Iterator iter= occurences.iterator(); iter.hasNext();) {			ASTNode element= (ASTNode)iter.next();			ArrayAccess arrayAccess= element instanceof ArrayAccess ? (ArrayAccess)element : (ArrayAccess)ASTNodes.getParent(				element, ArrayAccess.class);			if (arrayAccess != null) {				SimpleName elementReference= fAst.newSimpleName(fParameterDeclaration.getName().getIdentifier());				rewrite.replace(arrayAccess, elementReference, group);				getPositionGroup(fParameterName).addPosition(rewrite.track(elementReference));			}		}	}