Doc updates and cleanup.

examples/MicroserviceExample/WebApi/Startup.cs

@@ -42,7 +42,7 @@ public void ConfigureServices(IServiceCollection services)
             services.AddSingleton<MessageSender>();
 
             services.AddOpenTelemetry()
-                .WithTracing((builder) => builder
+                .WithTracing(builder => builder
                     .AddAspNetCoreInstrumentation()
                     .AddSource(nameof(MessageSender))
                     .AddZipkinExporter(b =>

src/OpenTelemetry.Exporter.Jaeger/README.md

@@ -91,7 +91,7 @@ implementation if you want to customize the generated `HttpClient`:
 
 ```csharp
 services.AddOpenTelemetry()
-    .WithTracing((builder) => builder
+    .WithTracing(builder => builder
         .AddJaegerExporter(o =>
         {
             o.Protocol = JaegerExportProtocol.HttpBinaryThrift;
@@ -101,7 +101,7 @@ services.AddOpenTelemetry()
                 client.DefaultRequestHeaders.Add("X-MyCustomHeader", "value");
                 return client;
             };
-        }));
+        }))
     .StartWithHost();
 ```
 

src/OpenTelemetry.Exporter.OpenTelemetryProtocol/README.md

@@ -128,7 +128,7 @@ function with your own implementation if you want to customize the generated
 
 ```csharp
 services.AddOpenTelemetry()
-    .WithTracing((builder) => builder
+    .WithTracing(builder => builder
         .AddOtlpExporter(o =>
         {
             o.Protocol = OtlpExportProtocol.HttpProtobuf;
@@ -138,7 +138,7 @@ services.AddOpenTelemetry()
                 client.DefaultRequestHeaders.Add("X-MyCustomHeader", "value");
                 return client;
             };
-        }));
+        }))
     .StartWithHost();
 ```
 

src/OpenTelemetry.Exporter.Zipkin/README.md

@@ -84,13 +84,13 @@ generated `HttpClient`:
 
 ```csharp
 services.AddOpenTelemetry()
-    .WithTracing((builder) => builder
+    .WithTracing(builder => builder
         .AddZipkinExporter(o => o.HttpClientFactory = () =>
         {
             HttpClient client = new HttpClient();
             client.DefaultRequestHeaders.Add("X-MyCustomHeader", "value");
             return client;
-        }));
+        }))
     .StartWithHost();
 ```
 

src/OpenTelemetry.Instrumentation.AspNetCore/README.md

@@ -55,10 +55,11 @@ using OpenTelemetry.Trace;
 
 public void ConfigureServices(IServiceCollection services)
 {
-    services.AddOpenTelemetryTracing((builder) => builder
-        .AddAspNetCoreInstrumentation()
-        .AddJaegerExporter()
-    );
+    services.AddOpenTelemetry()
+        .WithTracing(builder => builder
+            .AddAspNetCoreInstrumentation()
+            .AddJaegerExporter())
+        .StartWithHost();
 }
 ```
 
@@ -84,10 +85,11 @@ services.Configure<AspNetCoreInstrumentationOptions>(options =>
     };
 });
 
-services.AddOpenTelemetryTracing((builder) => builder
-    .AddAspNetCoreInstrumentation()
-    .AddJaegerExporter()
-);
+services.AddOpenTelemetry()
+    .WithTracing(builder => builder
+        .AddAspNetCoreInstrumentation()
+        .AddJaegerExporter())
+    .StartWithHost();
 ```
 
 ### Filter
@@ -103,14 +105,15 @@ The following code snippet shows how to use `Filter` to only allow GET
 requests.
 
 ```csharp
-services.AddOpenTelemetryTracing((builder) => builder
-    .AddAspNetCoreInstrumentation((options) => options.Filter = httpContext =>
-    {
-        // only collect telemetry about HTTP GET requests
-        return httpContext.Request.Method.Equals("GET");
-    })
-    .AddJaegerExporter()
-);
+services.AddOpenTelemetry()
+    .WithTracing(builder => builder
+        .AddAspNetCoreInstrumentation((options) => options.Filter = httpContext =>
+        {
+            // only collect telemetry about HTTP GET requests
+            return httpContext.Request.Method.Equals("GET");
+        })
+        .AddJaegerExporter())
+    .StartWithHost();
 ```
 
 It is important to note that this `Filter` option is specific to this
@@ -131,24 +134,24 @@ The following code snippet shows how to enrich the activity using all 3
 different options.
 
 ```csharp
-services.AddOpenTelemetryTracing((builder) =>
-{
-    builder.AddAspNetCoreInstrumentation(o =>
-    {
-        o.EnrichWithHttpRequest = (activity, httpRequest) =>
-        {
-            activity.SetTag("requestProtocol", httpRequest.Protocol);
-        };
-        o.EnrichWithHttpResponse = (activity, httpResponse) =>
+services.AddOpenTelemetry()
+    .WithTracing(builder => builder
+        .AddAspNetCoreInstrumentation(o =>
         {
-            activity.SetTag("responseLength", httpResponse.ContentLength);
-        };
-        o.EnrichWithException = (activity, exception) =>
-        {
-            activity.SetTag("exceptionType", exception.GetType().ToString());
-        };
-    })
-});
+            o.EnrichWithHttpRequest = (activity, httpRequest) =>
+            {
+                activity.SetTag("requestProtocol", httpRequest.Protocol);
+            };
+            o.EnrichWithHttpResponse = (activity, httpResponse) =>
+            {
+                activity.SetTag("responseLength", httpResponse.ContentLength);
+            };
+            o.EnrichWithException = (activity, exception) =>
+            {
+                activity.SetTag("exceptionType", exception.GetType().ToString());
+            };
+        }))
+    .StartWithHost();
 ```
 
 [Processor](../../docs/trace/extending-the-sdk/README.md#processor),

src/OpenTelemetry.Instrumentation.GrpcNetClient/README.md

@@ -110,7 +110,7 @@ following code snippet shows how to add additional tags using these options.
 ```csharp
 services.AddOpenTelemetry()
     .WithTracing(builder => builder
-        .AddGrpcClientInstrumentation((options) =>
+        .AddGrpcClientInstrumentation(options =>
         {
             options.EnrichWithHttpRequestMessage = (activity, httpRequestMessage) =>
             {