void (@NotNull PsiPrefixExpression prefixExpr) { super.visitPrefixExpression(prefixExpr); if (!ConvertDoubleUnaryToPrefixOperationFix.isDesiredPrefixExpression(prefixExpr, false)) { return; } final PsiExpression operand = prefixExpr.getOperand(); if (operand == null) { return; } final List<LocalQuickFix> fixes = new SmartList<>(); ContainerUtil.addIfNotNull(fixes, createReplaceParentOperatorFix(prefixExpr)); if (isOnTheFly()) { ContainerUtil.addIfNotNull(fixes, ConvertDoubleUnaryToPrefixOperationFix.createFix(prefixExpr)); ContainerUtil.addIfNotNull(fixes, createRemoveDoubleUnaryMinusFix(prefixExpr)); } if (!fixes.isEmpty()) { registerError(prefixExpr.getOperationSign(), (Object)fixes.toArray(LocalQuickFix.EMPTY_ARRAY)); } }