<PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="10.0.11" />

Microsoft.Extensions.Hosting.IHostApplicationBuilder

public interface IHostApplicationBuilder
Represents a hosted applications and services builder which helps manage configuration, logging, lifetime, and more.
namespace Microsoft.Extensions.Hosting { public interface IHostApplicationBuilder { IDictionary<object, object> Properties { get; } IConfigurationManager Configuration { get; } IHostEnvironment Environment { get; } ILoggingBuilder Logging { get; } IMetricsBuilder Metrics { get; } IServiceCollection Services { get; } void ConfigureContainer<TContainerBuilder>(IServiceProviderFactory<TContainerBuilder> factory, Action<TContainerBuilder> configure = null); } }