/// <summary>
/// Constructor
/// <param name="apiKey">Google Places Api key</param>
/// <param name="language">Language of the search request strings</param>
/// </summary>
public PlacesService(string apiKey, string language)
{
if (string.IsNullOrEmpty(apiKey))
{
throw new ArgumentException("apiKey");
}
_urlFactory = new PlacesUrlFactory(apiKey, language);
_cachingProvider = new CachingProvider();
}