void (@NotNull Document document) { VirtualFile file = getFile(document); boolean spaceStrippingEnabled = true; if (file != null) { spaceStrippingEnabled = TrailingSpacesStripper.isEnabled(file); TrailingSpacesStripper.setEnabled(file, false); } try { saveDocument(document); } finally { if (file != null) { TrailingSpacesStripper.setEnabled(file, spaceStrippingEnabled); } } }