/// <summary> /// Determines whether the user has identity for the specified provider. /// </summary> /// <returns><code>true</code> if this instance has identity for the specified provider; otherwise, <code>false</code>.</returns> public bool HasIdentityForProvider(string provider) { Check.Argument.IsStrNotNullOrEmpty(provider, "provider", "Provider can not be null or empty"); return(nativeBridge.UserHasIdentityForProvider(provider)); }