public async Task<IEnumerable<IGalleryItem>> GetAccountSubmissionsAsync(string username = "me", int? page = null)
{
if (string.IsNullOrWhiteSpace(username))
throw new ArgumentNullException(nameof(username));
if (username.Equals("me", StringComparison.OrdinalIgnoreCase)
&& ApiClient.OAuth2Token == null)
throw new ArgumentNullException(nameof(ApiClient.OAuth2Token), OAuth2RequiredExceptionMessage);
var url = $"account/{username}/submissions/{page}";
using (var request = ImageRequestBuilder.CreateRequest(HttpMethod.Get, url))
{
var submissions = await SendRequestAsync<IEnumerable<GalleryItem>>(request).ConfigureAwait(false);
return submissions;
}
}