int len = req.initialName.length();
Tuple<Integer, Integer> foundAt = new Tuple<Integer, Integer>(offset, len);
if (!found.contains(foundAt)) {
i++;
ProposalPosition proposalPosition = new ProposalPosition(document, offset, len, i,
new ICompletionProposal[0]);
found.add(foundAt);
groupPositions.add(proposalPosition);
if (offset <= absoluteCursorOffset && absoluteCursorOffset < offset + len) {
firstPosition = i;