How to get Permissions for a SharePoint list item using graph V5?

[xinzhaozhang1985]

We are using the request below in V4 to get the SharePoint list item permissions for both the document library and general list
var graphClient = _factory.Create(tenantId);

        var request = graphClient
            .Sites[siteId]
            .Lists[listId]
            .Items[listItemUniqueId]
            .DriveItem
            .Permissions
            .Request()
            .WithMaxRetry(MsGraphPerformance.MaxRetry);

        var permissions = await request.GetAsync(cancellationToken);

After upgrading to V5, we can use two calls to get permissions for a document library item as below:

        var graphClient = _factory.Create(tenantId);

        var retryHandlerOption = new RetryHandlerOption
        {
            MaxRetry = MsGraphPerformance.MaxRetry,
        };

        var item = await graphClient
            .Sites[siteId]
            .Lists[listId]
            .Items[listItemUniqueId]
            .DriveItem
            .GetAsync(requestConfiguration =>
            {
                requestConfiguration.Options.Add(retryHandlerOption);
            }, cancellationToken);

        var permissions = await graphClient
            .Drives[item.ParentReference.DriveId]
            .Items[item.Id]
            .Permissions
            .GetAsync(requestConfiguration =>
            {
                requestConfiguration.Options.Add(retryHandlerOption);
            }, cancellationToken);

However, this method can't be used to get permissions for general list item. If I pass a general list item id, I will get error:
"Cannot request driveItem for an item that is not in a document library"

Can someone help?

[xinzhaozhang1985]

Since I can't find any endpoint in V5 support to get permissions for general list item. I have to call graph APIs directly which is the same endpoint as the graph V4.
The endpoint https://graph.microsoft.com/v1.0/sites/{siteId}/lists/{listId}/items/{itemId}/driveItem/permissions does return permissions for both the document library items and general list items. Not sure why V5 no longer supports this.