<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.0-preview.2.25163.2" />

IServiceProviderFactory<TContainerBuilder>

public interface IServiceProviderFactory<TContainerBuilder>
Provides an extension point for creating a container specific builder and an IServiceProvider.
using System; using System.Runtime.CompilerServices; namespace Microsoft.Extensions.DependencyInjection { [NullableContext(1)] public interface IServiceProviderFactory<TContainerBuilder> { TContainerBuilder CreateBuilder(IServiceCollection services); IServiceProvider CreateServiceProvider(TContainerBuilder containerBuilder); } }