import { QuestionGrader, AssignedQuestion } from "../core";
import { GradedQuestion } from "../core/assigned_exams";
import { ResponseKind } from "../response/common";
import { FITBDropSubmission } from "../response/fitb-drop";
import { GradingResult } from "./QuestionGrader";
type FITBDropGradingResult = GradingResult & ({
    wasBlankSubmission: false;
    evaluation: readonly FITBDropRubricItemEvaluation[];
} | {
    wasBlankSubmission: true;
});
export type FITBDropRubricItemEvaluation = {
    pointsEarned: number;
    explanation: string;
};
export type FITBDropRubricItemPolicy = "first_match" | "best_score";
export type FITBDropRubricItem = {
    title: string;
    points: number;
    description: string;
    policy: FITBDropRubricItemPolicy;
    evaluators: FITBDropEvaluatorSpecification[];
};
export type StandardFITBDropGraderSpecification = {
    readonly grader_kind: "standard_fitb_drop";
    readonly rubric: readonly FITBDropRubricItem[];
    readonly points_possible: number;
};
export declare class StandardFITBDropGrader implements QuestionGrader<"fitb_drop"> {
    readonly spec: StandardFITBDropGraderSpecification;
    readonly t_response_kinds: "fitb_drop";
    constructor(spec: StandardFITBDropGraderSpecification);
    scale(new_points_possible: number): StandardFITBDropGrader;
    isGrader<T extends ResponseKind>(responseKind: T): this is QuestionGrader<T, GradingResult>;
    prepare(exam_id: string, question_id: string, spec: StandardFITBDropGraderSpecification): void;
    grade(aq: AssignedQuestion<"fitb_drop">): FITBDropGradingResult;
    pointsEarned(gr: FITBDropGradingResult): number;
    renderReport(gq: GradedQuestion<"fitb_drop", FITBDropGradingResult>): string;
    annotateResponseElem(gq: GradedQuestion<"fitb_drop", FITBDropGradingResult>, response_elem: JQuery): void;
    renderStats(aqs: readonly AssignedQuestion<"fitb_drop">[]): string;
    renderOverview(gqs: readonly GradedQuestion<"fitb_drop", FITBDropGradingResult>[]): string;
}
export type SimpleDropEvaluatorSpecification = {
    readonly kind: "simple_drop_evaluator";
    readonly index: number;
    readonly evaluations_by_droppable_id: {
        readonly [index: string]: FITBDropRubricItemEvaluation | undefined;
    };
};
export type TargetDropEvaluatorSpecification = {
    readonly kind: "target_drop_evaluator";
    readonly index: number;
    readonly include_children?: boolean;
    readonly criteria: "at_least_one" | "exactly_one" | "require_all" | "require_none" | "require_blank";
    readonly targets: readonly string[];
    readonly prohibited?: readonly string[];
    readonly evaluation: FITBDropRubricItemEvaluation;
};
export declare function targetDropEvaluation(spec: TargetDropEvaluatorSpecification, submission: FITBDropSubmission): FITBDropRubricItemEvaluation;
export declare const SPECIAL_MATCHER_DROPPABLES: readonly [{
    readonly id: "__examma-ray-drop-matcher-group";
    readonly content: string;
}, {
    readonly id: "__examma-ray-drop-matcher-shuffle";
    readonly content: string;
}, {
    readonly id: "__examma-ray-drop-matcher-depth";
    readonly content: string;
}, {
    readonly id: "__examma-ray-drop-matcher-or";
    readonly content: string;
}];
interface DropItemMatcherBase {
    readonly id: string;
    readonly children?: readonly DropLocationMatcher[];
}
interface IDDropItemMatcher extends DropItemMatcherBase {
    readonly id: string;
    readonly kind: "id";
    readonly children?: readonly DropLocationMatcher[];
}
interface GroupDropItemMatcher extends DropItemMatcherBase {
    readonly id: string;
    readonly kind: "group";
    readonly children: [DropLocationMatcher];
}
interface DepthDropItemMatcher extends DropItemMatcherBase {
    readonly id: string;
    readonly kind: "depth";
    readonly min_depth: number;
    readonly max_depth: number;
    readonly children: [DropLocationMatcher];
}
interface ShuffleDropItemMatcher extends DropItemMatcherBase {
    readonly id: string;
    readonly kind: "shuffle";
    readonly children: [DropLocationMatcher];
}
interface OrDropItemMatcher extends DropItemMatcherBase {
    readonly id: string;
    readonly kind: "or";
    readonly children: [DropLocationMatcher];
}
export type DropItemMatcher = IDDropItemMatcher | GroupDropItemMatcher | DepthDropItemMatcher | ShuffleDropItemMatcher | OrDropItemMatcher;
export type DropLocationMatcher = {
    readonly dropped_items: readonly DropItemMatcher[];
};
export type MatchingDropEvaluatorSpecification = {
    readonly kind: "matching_drop_evaluator";
    readonly children: DropLocationMatcher[];
    readonly evaluation: FITBDropRubricItemEvaluation;
};
export declare function extractFromDropLocation(elem: JQuery): DropLocationMatcher;
export declare function extractDropItemMatch(elem: JQuery): DropItemMatcher;
export declare function fillDropLocation(dropLocationElem: JQuery, matcher: DropLocationMatcher, originalsElem: JQuery): void;
export declare function matchingDropEvaluation(evaluator: MatchingDropEvaluatorSpecification, submission: FITBDropSubmission): FITBDropRubricItemEvaluation | undefined;
export type FITBDropEvaluatorSpecification = SimpleDropEvaluatorSpecification | TargetDropEvaluatorSpecification | MatchingDropEvaluatorSpecification;
export declare function scaleFITBDropEvaluatorSpecification(evaluator: FITBDropEvaluatorSpecification, scaling_factor: number): FITBDropEvaluatorSpecification;
export declare function fitbDropEvaluate(evaluator: FITBDropEvaluatorSpecification, submission: FITBDropSubmission): FITBDropRubricItemEvaluation | undefined;
export declare function evaluateRubricItem(ri: FITBDropRubricItem, submission: FITBDropSubmission): FITBDropRubricItemEvaluation;
export declare const FITBDropEvaluations: {
    full_credit: (points: number) => {
        pointsEarned: number;
        explanation: string;
    };
    partial_credit: (points: number) => {
        pointsEarned: number;
        explanation: string;
    };
    no_credit: () => {
        pointsEarned: number;
        explanation: string;
    };
};
export {};