This example assumes using ModernMT; is in scope and apiKey contains your ModernMT API key.
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varapiKey=Environment.GetEnvironmentVariable("MODERNMT_API_KEY")is{Length:>0}value?value:thrownewAssertInconclusiveException("MODERNMT_API_KEY environment variable is not found.");usingvarclient=newModernMTClient(apiKey);// The client provides access to translation, memories, and language detection.