This example assumes using Nixtla; is in scope and apiKey contains your Nixtla API key.
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varapiKey=Environment.GetEnvironmentVariable("NIXTLA_API_KEY")is{Length:>0}value?value:thrownewAssertInconclusiveException("NIXTLA_API_KEY environment variable is not found.");usingvarclient=newNixtlaClient(apiKey);// The client provides direct access to forecasting, anomaly detection,// cross-validation, and fine-tuning endpoints.