/// <summary>
/// Initializes the Twilio client.
/// </summary>
/// <param name="twilioAccountSidSecretName">The SSID of the Twilio account to authenticate as.</param>
/// <param name="twilioAuthTokenSecretName">The auth token to use for authentication.</param>
/// <param name="authority">The authority to authenticate against.</param>
/// <returns>An asynchronous task.</returns>
public async Task InitializeAsync(string twilioAccountSidSecretName, string twilioAuthTokenSecretName, string authority)
{
Secret twilioAccountSid = await _secretStore.GetSecretAsync(twilioAccountSidSecretName, authority);
Secret twilioAuthToken = await _secretStore.GetSecretAsync(twilioAuthTokenSecretName, authority);
Twilio.Http.HttpClient twilioHttpClient = new SystemNetHttpClient(_httpClient.GetHttpClient());
_twilioClient = new TwilioRestClient(twilioAccountSid.Value, twilioAuthToken.Value, httpClient: twilioHttpClient);
}