/// <reference types="node" />
import { AnyContest, Candidate, CandidateContest, CompletedBallot, MsEitherNeitherContest, v1, YesNoContest, YesNoOption } from '@votingworks/ballot-encoder';
import { TargetShape } from './hmpb/findTargets';
export interface Point {
    x: number;
    y: number;
}
export interface Offset {
    x: number;
    y: number;
}
export interface Rect {
    x: number;
    y: number;
    width: number;
    height: number;
}
export declare type Corners = [Point, Point, Point, Point];
export interface Size {
    width: number;
    height: number;
}
export interface BallotImage {
    imageData: ImageData;
    metadata: BallotPageMetadata;
}
export interface BallotPageLayout {
    ballotImage: BallotImage;
    contests: readonly BallotPageContestLayout[];
}
export interface BallotLocales {
    primary: string;
    secondary?: string;
}
export declare type BallotPageMetadata = v1.HMPBBallotPageMetadata;
export interface BallotPageContestLayout {
    bounds: Rect;
    corners: Corners;
    options: readonly BallotPageContestOptionLayout[];
}
export interface BallotPageContestOptionLayout {
    bounds: Rect;
    target: TargetShape;
}
export interface GetBallotOptions {
    markScoreVoteThreshold: number;
}
export interface Interpreted {
    matchedTemplate: BallotPageLayout;
    mappedBallot: ImageData;
    metadata: BallotPageMetadata;
    marks: BallotMark[];
    ballot: CompletedBallot;
}
export interface FindMarksResult {
    matchedTemplate: BallotPageLayout;
    mappedBallot: ImageData;
    metadata: BallotPageMetadata;
    marks: BallotMark[];
}
export declare type BallotMark = BallotStrayMark | BallotTargetMark;
export interface BallotStrayMark {
    type: 'stray';
    bounds: Rect;
    contest?: AnyContest;
    option?: Candidate | 'yes' | 'no' | YesNoOption;
}
export declare type BallotTargetMark = BallotCandidateTargetMark | BallotYesNoTargetMark | BallotMsEitherNeitherTargetMark;
export interface BallotCandidateTargetMark {
    type: CandidateContest['type'];
    bounds: Rect;
    contest: CandidateContest;
    target: TargetShape;
    option: Candidate;
    score: number;
    scoredOffset: Offset;
}
export interface BallotYesNoTargetMark {
    type: YesNoContest['type'];
    bounds: Rect;
    contest: YesNoContest;
    target: TargetShape;
    option: 'yes' | 'no';
    score: number;
    scoredOffset: Offset;
}
export interface BallotMsEitherNeitherTargetMark {
    type: MsEitherNeitherContest['type'];
    bounds: Rect;
    contest: MsEitherNeitherContest;
    target: TargetShape;
    option: YesNoOption;
    score: number;
    scoredOffset: Offset;
}
export interface UninterpretedBallot {
    ballotImage: BallotImage;
    reason: string | Error;
}
export interface Input {
    id(): string;
    imageData(): Promise<ImageData>;
    metadata?: () => Promise<BallotPageMetadata | undefined>;
}
export interface DetectQRCode {
    (imageData: ImageData): Promise<DetectQRCodeResult | undefined>;
}
export interface DetectQRCodeResult {
    data: Buffer;
    rightSideUp?: boolean;
}