import { GraderFor } from "../graders/QuestionGrader";
import { ResponseKind } from "../response/common";
import { ResponseSpecification, ValidSubmission, ViableSubmission } from "../response/responses";
import { QuestionVerifier } from "../verifiers/QuestionVerifier";
import { CredentialsStrategy, ExamCompletionSpecification, ExamSpecification, MinMaxPoints, QuestionChooser, QuestionSpecification, SectionChooser, SectionSpecification, SkinChooser } from "./exam_specification";
import { ExamComponentSkin } from "./skins";
export declare class Question<QT extends ResponseKind = ResponseKind> {
    readonly component_kind = "component";
    readonly spec: QuestionSpecification<QT>;
    readonly question_id: string;
    readonly title?: string;
    readonly tags: readonly string[];
    readonly mk_description: string;
    readonly mk_postscript: string;
    readonly pointsPossible: number;
    readonly kind: QT;
    readonly response: ResponseSpecification<QT>;
    readonly skin: ExamComponentSkin | SkinChooser;
    readonly sampleSolution?: ViableSubmission<QT>;
    readonly defaultGrader?: GraderFor<QT>;
    readonly verifier?: QuestionVerifier;
    readonly assets_dir?: string;
    private readonly descriptionCache;
    private readonly postscriptCache;
    private static instances;
    static create<QT extends ResponseKind>(spec: QuestionSpecification<QT> | Question<QT>): Question<QT>;
    private constructor();
    renderResponse(uuid: string, skin?: ExamComponentSkin): string;
    renderResponseSolution(uuid: string, solution: ValidSubmission<QT>, skin?: ExamComponentSkin): string;
    renderDescription(skin: ExamComponentSkin): string;
    renderPostscript(skin: ExamComponentSkin): string;
    isKind<RK extends QT>(kind: RK): this is Question<RK>;
}
export declare class Section {
    readonly component_kind = "component";
    readonly spec: SectionSpecification;
    readonly section_id: string;
    readonly title: string;
    readonly mk_description: string;
    readonly mk_reference?: string;
    readonly points: MinMaxPoints;
    readonly questions: readonly (Question | QuestionChooser)[];
    readonly skin: ExamComponentSkin | SkinChooser;
    /**
     * Desired width of reference material as a percent (e.g. 40 means 40%).
     * Guaranteed to be an integral value.
     */
    readonly right_column_width: number;
    readonly assets_dir?: string;
    readonly allQuestions: readonly Question[];
    private readonly questionsMap;
    private readonly descriptionCache;
    private readonly referenceCache;
    private static instances;
    static create(spec: SectionSpecification | Section): Section;
    private constructor();
    getQuestionById(question_id: string): Question<ResponseKind> | undefined;
    renderDescription(skin: ExamComponentSkin): string;
    renderReference(skin: ExamComponentSkin): string | undefined;
}
export declare const MK_DEFAULT_QUESTIONS_MESSAGE = "";
export declare const MK_DEFAULT_DOWNLOAD_MESSAGE = "Download an answers file to submit separately.";
export declare const MK_DEFAULT_BOTTOM_MESSAGE = "You've reached the bottom of the exam!";
export declare class Exam {
    readonly component_kind = "component";
    readonly exam_id: string;
    readonly title: string;
    readonly html_instructions: string;
    readonly html_announcements: readonly string[];
    readonly mk_questions_message: string;
    readonly mk_download_message: string;
    readonly mk_bottom_message: string;
    readonly enable_bottom_im_finished_button: boolean;
    readonly mk_saver_message?: string;
    readonly assets_dir?: string;
    readonly points: MinMaxPoints;
    readonly sections: readonly (Section | SectionChooser)[];
    readonly completion?: ExamCompletionSpecification;
    readonly enable_regrades: boolean;
    readonly allow_clientside_content: boolean;
    readonly credentials_strategy?: CredentialsStrategy;
    private static instances;
    readonly spec: ExamSpecification;
    readonly allSections: readonly Section[];
    readonly allQuestions: readonly Question[];
    private readonly sectionsMap;
    private readonly questionsMap;
    static create(spec: ExamSpecification | Exam): Exam;
    private constructor();
    addAnnouncement(announcement_mk: string): void;
    getSectionById(section_id: string): Section | undefined;
    getQuestionById(question_id: string): Question<ResponseKind> | undefined;
}