/// <summary>
/// Adds OpenTracing instrumentation for CoreFx (BCL).
/// </summary>
public static ITracingService AddOpenTracing(ITracer tracer, ILoggerFactory loggerFactory, Action <IOpenTracingBuilder> builder = null)
{
IServiceCollection services = new ServiceCollection();
services.AddSingleton <ITracer>(tracer);
services.AddSingleton <ILoggerFactory>(loggerFactory);
var serviceProvider = services.AddOpenTracing(builder).BuildServiceProvider();
return(serviceProvider.GetRequiredService <ITracingService>());
}
