protected sealed class SelectForUpdateCommandInterceptor : DbCommandInterceptor
{ // https://stackoverflow.com/questions/37984312/how-to-implement-select-for-update-in-ef-core/75086260#75086260
    public override ValueTask<InterceptionResult<object>> ScalarExecutingAsync(
        DbCommand command,
        CommandEventData eventData,
        InterceptionResult<object> result,
        CancellationToken cancellationToken = default)
    {
        ManipulateCommand(command);
        return new(result);
    }
}

public override ValueTask<InterceptionResult<object>> ScalarExecuting(
    DbCommand command,
    CommandEventData eventData,
    InterceptionResult<object> result,
    CancellationToken cancellationToken = default)
{
    ManipulateCommand(command);
    return new(result);
}