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protected void Application_Start()
{
    AreaRegistration.RegisterAllAreas();
    FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
    RouteConfig.RegisterRoutes(RouteTable.Routes);
    BundleConfig.RegisterBundles(BundleTable.Bundles);
            
    TelemetryConfiguration.Active.TelemetryInitializers.Add(new ClientIpHeaderTelemetryInitializer());

    var builder = TelemetryConfiguration.Active.TelemetryProcessorChainBuilder;

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<TelemetryProcessors>
  <Add Type="Microsoft.ApplicationInsights.Extensibility.PerfCounterCollector.QuickPulse.QuickPulseTelemetryProcessor, Microsoft.AI.PerfCounterCollector" />
  <Add Type="Microsoft.ApplicationInsights.WindowsServer.TelemetryChannel.AdaptiveSamplingTelemetryProcessor, Microsoft.AI.ServerTelemetryChannel">
    <MaxTelemetryItemsPerSecond>5</MaxTelemetryItemsPerSecond>
  </Add>
  <Add Type="ApplicationInsightDemoSite.NotFoundFilter, ApplicationInsightDemoSite" />
</TelemetryProcessors>

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public class NotFoundFilter : ITelemetryProcessor
{
    private ITelemetryProcessor Next { get; set; }

    public NotFoundFilter(ITelemetryProcessor next)
    {
        this.Next = next;
    }

    public void Process(ITelemetry item)

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protected void Application_Start()
{
    AreaRegistration.RegisterAllAreas();
    FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
    RouteConfig.RegisterRoutes(RouteTable.Routes);
    BundleConfig.RegisterBundles(BundleTable.Bundles);
            
    TelemetryConfiguration.Active.TelemetryInitializers.Add(new ClientIpHeaderTelemetryInitializer());
}

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<TelemetryInitializers>
    <Add Type="Microsoft.ApplicationInsights.DependencyCollector.HttpDependenciesParsingTelemetryInitializer, Microsoft.AI.DependencyCollector" />
    <Add Type="Microsoft.ApplicationInsights.WindowsServer.AzureRoleEnvironmentTelemetryInitializer, Microsoft.AI.WindowsServer" />
    <Add Type="Microsoft.ApplicationInsights.WindowsServer.AzureWebAppRoleEnvironmentTelemetryInitializer, Microsoft.AI.WindowsServer" />
    <Add Type="Microsoft.ApplicationInsights.WindowsServer.BuildInfoConfigComponentVersionTelemetryInitializer, Microsoft.AI.WindowsServer" />
    <Add Type="Microsoft.ApplicationInsights.Web.WebTestTelemetryInitializer, Microsoft.AI.Web" />
    <Add Type="Microsoft.ApplicationInsights.Web.SyntheticUserAgentTelemetryInitializer, Microsoft.AI.Web">
      <Filters>search|spider|crawl|Bot|Monitor|AlwaysOn</Filters>
    </Add>
    <Add Type="Microsoft.ApplicationInsights.Web.ClientIpHeaderTelemetryInitializer, Microsoft.AI.Web" />

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/// <summary>
/// Implements initialization logic.
/// </summary>
/// <param name="platformContext">Http context.</param>
/// <param name="requestTelemetry">Request telemetry object associated with the current request.</param>
/// <param name="telemetry">Telemetry item to initialize.</param>
protected override void OnInitializeTelemetry(HttpContext platformContext, RequestTelemetry requestTelemetry, ITelemetry telemetry)
{
    if (string.IsNullOrEmpty(telemetry.Context.Location.Ip))
    {