prepopulateUniqueIdAssignment
suspend fun Questionnaire.prepopulateUniqueIdAssignment(questionnaireConfig: QuestionnaireConfig, questionnaireComputedValues: Map<String, Any>, extractUniqueIdAssignmentFunc: suspend (UniqueIdAssignmentConfig, Map<String, Any>) -> String)
Pre-populates questionnaire with computed QuestionnaireConfig.uniqueIdAssignment.