/// <summary>
/// Check <see cref="t:Sdk.Service.IClient"/>
/// </summary>
/// <returns>Check <see cref="t:Sdk.Service.IClient"/></returns>
public IAssetService GetAssetService()
{
if (!_credentials.AreValid() && !_credentials.CanRefresh)
{
throw new MissingTokenException("Access token expired and refresh token is missing. " +
"Either pass a not expited access token through configuration or login through OAuth2");
}
return(_assetService ?? (_assetService = new AssetService(_requestSender)));
}