void (PsiMethodCallExpression callExpression, PsiLambdaExpression element) { PsiExpression expression; final CommentTracker ct = new CommentTracker(); inlineCallArguments(callExpression, element, ct); // body could be invalidated after inlining expression = LambdaUtil.extractSingleExpressionFromBody(element.getBody()); ct.replaceAndRestoreComments(callExpression, expression); }