Optional methodOptional modelOptional providerThe provider LLMUtilityAI calls: this, else methodOptions.providerId, else its defaultProviderId.
Optional lexiconStatisticalUtilityAI: a lexicon natural ships, by name (afinn, afinnFinancialMarketNews, pattern,
senticon), or the path of a lexicon file, which is then the lexicon alone.
Optional languageOptional method
Read by HybridUtilityAI alone, which sends
'llm'to its LLM-backed class and'lexicon_based'to its statistical class. LLMUtilityAI asks a provider and StatisticalUtilityAI scores with a lexicon, whatever it names.