import { SafeResult } from "@rolesvillesoftware/tools/dist";
import { ExamContext } from "../models/ExamContext";
export declare abstract class Calculator<I, O> {
    protected context: ExamContext;
    constructor(context: ExamContext);
    abstract calculate(input?: I): Promise<O>;
    static initialize<C extends Calculator<I, O>, I, O>(calculatorClass: new (context: ExamContext) => C, context: ExamContext): C;
    protected runCalculator<C extends Calculator<Z, X>, Z, X>(calculatorClass: new (context: ExamContext) => C, input: Z): Promise<SafeResult<X>>;
    protected processResults<X>(result: SafeResult<X>): X;
}