public void registerFix( @Nullable IntentionAction action, @Nullable List<IntentionAction> options, @Nullable String displayName, @Nullable TextRange fixRange, @Nullable HighlightDisplayKey key) { if (action == null) return; if (fixRange == null) fixRange = new TextRange(startOffset, endOffset); if (quickFixActionRanges == null) { quickFixActionRanges = ContainerUtil.createLockFreeCopyOnWriteList(); } IntentionActionDescriptor desc = new IntentionActionDescriptor(action, options, displayName, null, key, getProblemGroup()); quickFixActionRanges.add(Pair.create(desc, fixRange)); fixStartOffset = Math.min(fixStartOffset, fixRange.getStartOffset()); fixEndOffset = Math.max(fixEndOffset, fixRange.getEndOffset()); if (action instanceof HintAction) { setHint(true); } }