public virtual async Task <int> CountAsync(CustomCollectionCountFilter filter = null, CancellationToken cancellationToken = default)
 {
     return(await ExecuteGetAsync <int>("custom_collections/count.json", "count", filter, cancellationToken));
 }
 public virtual async Task<int> CountAsync(CustomCollectionCountFilter filter = null)
 {
     return await ExecuteGetAsync<int>("custom_collections/count.json", "count", filter);
 }