import { Calculator } from "./Calculator";
import { ExamQuestionFact, QuestionStat, ExamStat } from "../models";
export declare class QuestionCalculator extends Calculator<{
    examStat: ExamStat;
    question: ExamQuestionFact;
}, QuestionStat> {
    private getQuestionStat(examQuestion);
    private getQuestionFacts(examQuestion);
    calculate(input?: {
        examStat: ExamStat;
        question: ExamQuestionFact;
    }): Promise<QuestionStat>;
}