@Override
        public void visitLambdaExpression(@NotNull PsiLambdaExpression lambdaExpr) {
          PsiElement body = lambdaExpr.getBody();
          if (body == null) return;
          findUnusedLocalVariablesInElement(body, descriptors);
        }
@Override
        public void visitLambdaExpression(@NotNull PsiLambdaExpression lambdaExpr)