boolean () { Document document = FileDocumentManager.getInstance().getDocument(myVirtualFile); if (document == null) return false; LineStatusTrackerManager.getInstance(myProject).requestTrackerFor(document, this); DocumentContent beforeContent = (DocumentContent)getContents().get(0); CharSequence beforeText = beforeContent.getDocument().getImmutableCharSequence(); LineStatusTrackerManager.getInstanceImpl(myProject).offerTrackerContent(document, beforeText); return true; }