/// <summary> /// Registers the Entity Framework 6.x stores services in the DI container and /// configures OpenIddict to use the Entity Framework 6.x entities by default. /// </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 Entity Framework 6.x services.</param> /// <remarks>This extension can be safely called multiple times.</remarks> /// <returns>The <see cref="OpenIddictCoreBuilder"/>.</returns> public static OpenIddictCoreBuilder UseEntityFramework( this OpenIddictCoreBuilder builder, Action <OpenIddictEntityFrameworkBuilder> configuration) { if (builder is null) { throw new ArgumentNullException(nameof(builder)); } if (configuration is null) { throw new ArgumentNullException(nameof(configuration)); } configuration(builder.UseEntityFramework()); return(builder); }