<PackageReference Include="Microsoft.Extensions.Diagnostics.Abstractions" Version="11.0.0-preview.7.26381.103" />

Microsoft.Extensions.Diagnostics.Tracing.ITracingBuilder

public interface ITracingBuilder
Configures the tracing system by registering ActivityListener instances and using rules to determine which ActivitySource and Activity instances are enabled.
IServiceCollection Services { get; }

Gets the application service collection that's used by extension methods to register services.