public DogApiClient(string apiKey, string appKey = null, string dataDogHost = null, DogApiHttpClient httpClient = null, bool leaveDispose = true)
{
this.ApiKey = apiKey;
this.AppKey = appKey;
this.DataDogHost = dataDogHost ?? DefaultDataDogHost;
this.httpClient = httpClient ?? new DogApiHttpClientImpl();
this.leaveDispose = leaveDispose;
}