<PackageReference Include="Microsoft.Extensions.Options" Version="10.0.7" />

Microsoft.Extensions.DependencyInjection.OptionsBuilderExtensions

public static class OptionsBuilderExtensions
Extension methods for adding configuration-related options services to the DI container via OptionsBuilder<T>.
namespace Microsoft.Extensions.DependencyInjection { public static class OptionsBuilderExtensions { public static OptionsBuilder<TOptions> ValidateOnStart<[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] TOptions>(this OptionsBuilder<TOptions> optionsBuilder) where TOptions : class; } }