/** Writing system the native recognizer should use. */
export type OcrScript = 'latin' | 'arabic' | 'persian';
export type AfDocumentType = 'e_tazkira_front' | 'e_tazkira_back' | 'paper_tazkira' | 'passport';
export type OcrBoundingBox = {
    left: number;
    top: number;
    right: number;
    bottom: number;
};
export type OcrLine = {
    text: string;
    confidence: number;
    bbox: OcrBoundingBox;
};
export type OcrBlock = {
    text: string;
    confidence: number;
    bbox: OcrBoundingBox;
    lines: OcrLine[];
};
/** Internal native recognize options (not the public scan API). */
export type NativeRecognizeOptions = {
    script: OcrScript;
    binarize: boolean;
    maxDimension: number;
};
/** Normalized 0..1 box from native engines (top-left origin). */
export type NativeNormalizedBox = {
    x: number;
    y: number;
    width: number;
    height: number;
};
export type NativeRecognizedLine = {
    text: string;
    confidence: number;
    box: NativeNormalizedBox;
};
export type NativeOcrResult = {
    lines: NativeRecognizedLine[];
    width: number;
    height: number;
    engine: 'mlkit' | 'vision' | 'ppocr';
    scriptUsed: OcrScript;
    durationMs: number;
    processedImageUri: string | null;
};
export type OcrResult = {
    fullText: string;
    blocks: OcrBlock[];
    meanConfidence: number;
    engine: 'mlkit' | 'vision' | 'ppocr';
    scriptUsed: OcrScript;
    durationMs: number;
    /** Local `file://` URI of the image actually sent to OCR (after downscale + optional B&W). */
    processedImageUri: string | null;
};
export type ScanResult = OcrResult & {
    documentType: AfDocumentType;
    /**
     * Present on passport (TD3) / e-Tazkira back (TD1) when an MRZ could be located.
     * Narrow with `mrz.format === 'TD1' | 'TD3'`.
     */
    mrz?: DocumentMrz | null;
};
export type MrzFieldKey = 'documentNumber' | 'surname' | 'givenNames' | 'nationality' | 'dateOfBirth' | 'sex' | 'dateOfExpiry' | 'personalNumber';
export type MrzField = {
    rawValue: string;
    normalizedValue: string;
    /** 0..1 */
    confidence: number;
};
export type MrzWarning = {
    code: 'mrz_checksum_failed';
    message: string;
    field?: MrzFieldKey;
};
/** Identity fields present on both TD1 (e-Tazkira back) and TD3 (passport). */
export type MrzIdentityFields = {
    documentNumber?: MrzField;
    surname?: MrzField;
    givenNames?: MrzField;
    nationality?: MrzField;
    dateOfBirth?: MrzField;
    sex?: MrzField;
    dateOfExpiry?: MrzField;
};
type MrzResultBase = {
    valid: boolean;
    /** 0..1 */
    confidence: number;
    warnings: MrzWarning[];
};
/**
 * e-Tazkira back — ICAO TD1 (3×30).
 * `personalNumber` is TD1 optional1: trailing digits of the 13-digit ID.
 */
export type Td1Mrz = MrzResultBase & {
    format: 'TD1';
    lines: [string, string, string];
    fields: MrzIdentityFields & {
        personalNumber?: MrzField;
    };
};
/**
 * Passport — ICAO TD3 (2×44).
 * `personalNumber` is the TD3 personal-number zone; often absent on AF passports.
 */
export type Td3Mrz = MrzResultBase & {
    format: 'TD3';
    lines: [string, string];
    fields: MrzIdentityFields & {
        personalNumber?: MrzField;
    };
};
/** Parsed MRZ for either supported document; discriminate on `format`. */
export type DocumentMrz = Td1Mrz | Td3Mrz;
/** @deprecated Prefer `DocumentMrz` (covers TD1 e-Tazkira back and TD3 passport). */
export type PassportMrz = DocumentMrz;
/** Options shared by all document scanners. */
export type ScanOptions = {
    /** Native grayscale+threshold before OCR. Default `false`. */
    manipulateColors?: boolean;
};
export type FaceValidationStatus = 'face' | 'no_face';
export type FaceBox = NativeNormalizedBox;
export type FaceValidationOptions = {
    /** Minimum detection confidence 0..1. Default `0.5`. */
    minConfidence?: number;
};
export type FaceValidationResult = {
    status: FaceValidationStatus;
    faceCount: number;
    /** Primary face confidence 0..1 when available. */
    confidence?: number;
    /** Normalized 0..1 box of the primary face (top-left origin). */
    box?: FaceBox;
    durationMs: number;
};
export type NativeFaceValidationResult = FaceValidationResult;
export {};
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