import { AssignedQuestion, GradedQuestion } from "../core/assigned_exams";
import { ResponseKind } from "../response/common";
import { QuestionGrader, ImmutableGradingResult } from "./QuestionGrader";
export type FreebieGradingResult = ImmutableGradingResult;
export type FreebieGraderSpecification = {
    readonly grader_kind: "freebie";
    /**
     * Whether or not blank submissions earn points. If this option is
     * not specified, it is interpreted as false.
     */
    readonly allow_blanks?: boolean;
    /**
     * An optional message that will be shown to students.
     */
    readonly message?: string;
};
/**
 * A grader that gives points to all submissions. Whether or not blank
 * submissions earn points can be configured.
 * @template QT May be any response type
 */
export declare class FreebieGrader implements QuestionGrader<ResponseKind> {
    readonly spec: FreebieGraderSpecification;
    readonly t_response_kinds: ResponseKind;
    constructor(spec: FreebieGraderSpecification);
    scale(new_points_possible: number): this;
    isGrader<T extends ResponseKind>(responseKind: T): this is QuestionGrader<T>;
    prepare(): void;
    grade(aq: AssignedQuestion): FreebieGradingResult;
    pointsEarned(gr: FreebieGradingResult): number;
    renderReport(aq: GradedQuestion<ResponseKind, FreebieGradingResult>): string;
    annotateResponseElem(gq: GradedQuestion<ResponseKind, FreebieGradingResult>, response_elem: JQuery): void;
    renderStats(aqs: readonly AssignedQuestion[]): string;
    renderOverview(gqs: readonly GradedQuestion<"multiple_choice">[]): string;
}