private static @NotNull String getLambdaDescription(@NotNull PsiLambdaExpression e) {
    boolean isDumb = DumbService.isDumb(e.getProject());
    StringBuilder sb = new StringBuilder("lambda");
    PsiType functionalInterfaceType = isDumb ? null : e.getFunctionalInterfaceType();
    if (functionalInterfaceType != null) {
      sb.append(" ").append(htmlEmphasize(getTypeText(functionalInterfaceType, false)));
    }
    appendParameters(e, sb, true, isDumb);
    return sb.toString();
  }
private static @NotNull String getLambdaDescription(@NotNull PsiLambdaExpression e)