public async Task<BoxCollection<BoxEmailAlias>> GetEmailAliasesAsync(string userId)
{
userId.ThrowIfNullOrWhiteSpace("userId");
BoxRequest request = new BoxRequest(_config.UserEndpointUri, string.Format(Constants.UserEmailAliasesPathString, userId)).
Method(RequestMethod.Get);
IBoxResponse<BoxCollection<BoxEmailAlias>> response = await ToResponseAsync<BoxCollection<BoxEmailAlias>>(request).ConfigureAwait(false);
return response.ResponseObject;
}