/// <summary> /// Adds Spotify Client Credentials Flow message handler and required services to the specified <see cref="IHttpClientBuilder"/>. /// </summary> /// <param name="httpClientBuilder">The <see cref="IHttpClientBuilder"/>.</param> public static ISpotifyClientCredentialsFlowBuilder AddSpotifyClientCredentialsFlow(this IHttpClientBuilder httpClientBuilder) { return(httpClientBuilder.AddSpotifyClientCredentialsFlow(o => { })); }