https://docs.cloud.google.com/nodejs/docs/reference/discoveryengine/latest/discoveryengine/protos.google.cloud.discoveryengine.v1.answerqueryrequest.answergenerationspec.imodelspec
Interface protos.google.cloud.discoveryengine.v1.AnswerQueryRequest.AnswerGenerationSpec.IModelSpec...
google cloudinterfaceprotos