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