import { AssignedQuestion, GradedQuestion } from "../core/assigned_exams";
import { ResponseKind } from "../response/common";
import { ImmutableGradingResult, QuestionGrader } from "./QuestionGrader";
export type SummationMCGradingResult = ImmutableGradingResult & {
    readonly selections: readonly {
        selected: boolean;
        pointsForThisItem: number;
    }[];
} | ImmutableGradingResult & {
    readonly wasInvalidSubmission: true;
};
export type SummationMCGraderSpecification = {
    readonly grader_kind: "summation_multiple_choice";
    /**
     * For each answer option, define whether the grader is looking
     * for the option to be selected or not (true/false) and the number of points to add
     * (or subtract if negative) in that case
     */
    readonly rubric: readonly {
        selected: boolean;
        points: number;
        ignore_selection?: boolean;
    }[];
};
export declare class SummationMCGrader implements QuestionGrader<"multiple_choice"> {
    readonly spec: SummationMCGraderSpecification;
    readonly t_response_kinds: "multiple_choice";
    constructor(spec: SummationMCGraderSpecification);
    scale(new_points_possible: number): SummationMCGrader;
    isGrader<T extends ResponseKind>(responseKind: T): this is QuestionGrader<T>;
    prepare(exam_id: string, question_id: string, spec: SummationMCGraderSpecification): void;
    grade(aq: AssignedQuestion<"multiple_choice">): SummationMCGradingResult;
    pointsEarned(gr: SummationMCGradingResult): number;
    renderReport(gq: GradedQuestion<"multiple_choice", SummationMCGradingResult>): string;
    annotateResponseElem(gq: GradedQuestion<"multiple_choice", SummationMCGradingResult>, response_elem: JQuery): void;
    renderStats(): string;
    renderOverview(gqs: readonly GradedQuestion<"multiple_choice">[]): string;
}