'Missing Parameter from constructor in your C# Example code

I am attempting to update our C# integration oAuth2 as per Xero documentation.

I am attempting to use the sample code provided here:

However, this sample code has a missing variable in the constructor: C# IHttpClientFactory

When I attempt to implement this sample code I get this compilation error:

There is no argument given that responds to the formal parameter IHttpClientFactory of XeroClient.XeroClient(XeroConfiguration, IHttpClientFactory)

Sources

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