<PackageReference Include="Microsoft.Extensions.Options" Version="11.0.0-preview.6.26359.118" />

Microsoft.Extensions.Options.IConfigureNamedOptions<TOptions>

public interface IConfigureNamedOptions<TOptions> : IConfigureOptions<TOptions>
Represents something that configures the TOptions type.
namespace Microsoft.Extensions.Options { public interface IConfigureNamedOptions<in TOptions> : IConfigureOptions<TOptions> where TOptions : class { void Configure(string name, TOptions options); } }