/// <summary> /// Registers the OpenIddict client services in the DI container. /// </summary> /// <param name="builder">The services builder used by OpenIddict to register new services.</param> /// <param name="configuration">The configuration delegate used to configure the client services.</param> /// <remarks>This extension can be safely called multiple times.</remarks> /// <returns>The <see cref="OpenIddictBuilder"/>.</returns> public static OpenIddictBuilder AddClient(this OpenIddictBuilder builder, Action <OpenIddictClientBuilder> configuration) { if (builder is null) { throw new ArgumentNullException(nameof(builder)); } if (configuration is null) { throw new ArgumentNullException(nameof(configuration)); } configuration(builder.AddClient()); return(builder); }