ObservableConversation conversation =
context.openConversation(operation, participant).getRoot();
Document doc = context.getBlip(conversation, blipId).getContent();
ApiView view = new ApiView(doc, wavelet);
DocumentHitIterator hitIterator = getDocumentHitIterator(operation, view);
switch (modifyAction.getModifyHow()) {
case ANNOTATE:
annotate(operation, doc, view, hitIterator, modifyAction);
break;