import * as react from 'react';
import { CSSProperties } from 'react';
import { PDFPageProxy, PDFDocumentProxy as PDFDocumentProxy$1 } from 'pdfjs-dist';
import * as pdfjs_dist_types_src_display_api from 'pdfjs-dist/types/src/display/api';
import { PDFDocumentProxy } from 'pdfjs-dist/types/src/display/api';

interface Props$1 {
    page: PDFPageProxy | null;
    scale?: number;
    className?: string;
    style?: CSSProperties;
}
/**
 * Renders a single PDF page onto a canvas.
 * - Fully customizable via `style`, `className`, and `ref`.
 * - `ref` gives access to the canvas DOM node.
 */
declare const PDFPageCanvas: react.ForwardRefExoticComponent<Props$1 & react.RefAttributes<HTMLCanvasElement>>;

interface Props {
    pages: PDFPageProxy[];
    className?: string;
    style?: React.CSSProperties;
}
declare const PDFPagesCanvas: react.ForwardRefExoticComponent<Props & react.RefAttributes<HTMLDivElement>>;

declare function usePdfDocument(file: File | null): {
    pdf: PDFDocumentProxy | null;
    pageNumbers: number[] | null;
    error: string;
    loading: boolean;
};

declare function usePdfPage(pdf: PDFDocumentProxy$1 | null, pageNumber: number): {
    page: pdfjs_dist_types_src_display_api.PDFPageProxy | null;
};

type PageRange = "all" | {
    from: number;
    to: number;
};
declare function usePdfPages(pdf: PDFDocumentProxy$1 | null, range?: PageRange): {
    pages: pdfjs_dist_types_src_display_api.PDFPageProxy[];
    loading: boolean;
    error: string;
};

declare function extractTextFromImage(dataUrl: string, lang?: string): Promise<string>;
declare function extractTextFromImages(imageDataUrls: string[], lang?: string): Promise<string[]>;

declare const supportedOcrLanguages: readonly [{
    readonly code: "afr";
    readonly name: "Afrikaans";
}, {
    readonly code: "amh";
    readonly name: "Amharic";
}, {
    readonly code: "ara";
    readonly name: "Arabic";
}, {
    readonly code: "asm";
    readonly name: "Assamese";
}, {
    readonly code: "aze";
    readonly name: "Azerbaijani";
}, {
    readonly code: "aze_cyrl";
    readonly name: "Azerbaijani - Cyrilic";
}, {
    readonly code: "bel";
    readonly name: "Belarusian";
}, {
    readonly code: "ben";
    readonly name: "Bengali";
}, {
    readonly code: "bod";
    readonly name: "Tibetan";
}, {
    readonly code: "bos";
    readonly name: "Bosnian";
}, {
    readonly code: "bre";
    readonly name: "Breton";
}, {
    readonly code: "bul";
    readonly name: "Bulgarian";
}, {
    readonly code: "cat";
    readonly name: "Catalan; Valencian";
}, {
    readonly code: "ceb";
    readonly name: "Cebuano";
}, {
    readonly code: "ces";
    readonly name: "Czech";
}, {
    readonly code: "chi_sim";
    readonly name: "Chinese - Simplified";
}, {
    readonly code: "chi_tra";
    readonly name: "Chinese - Traditional";
}, {
    readonly code: "chr";
    readonly name: "Cherokee";
}, {
    readonly code: "cos";
    readonly name: "Corsican";
}, {
    readonly code: "cym";
    readonly name: "Welsh";
}, {
    readonly code: "dan";
    readonly name: "Danish";
}, {
    readonly code: "dan_frak";
    readonly name: "Danish - Fraktur (contrib)";
}, {
    readonly code: "deu";
    readonly name: "German";
}, {
    readonly code: "deu_frak";
    readonly name: "German - Fraktur (contrib)";
}, {
    readonly code: "deu_latf";
    readonly name: "German (Fraktur Latin)";
}, {
    readonly code: "dzo";
    readonly name: "Dzongkha";
}, {
    readonly code: "ell";
    readonly name: "Greek, Modern (1453-)";
}, {
    readonly code: "eng";
    readonly name: "English";
}, {
    readonly code: "enm";
    readonly name: "English, Middle (1100-1500)";
}, {
    readonly code: "epo";
    readonly name: "Esperanto";
}, {
    readonly code: "equ";
    readonly name: "Math / equation detection module";
}, {
    readonly code: "est";
    readonly name: "Estonian";
}, {
    readonly code: "eus";
    readonly name: "Basque";
}, {
    readonly code: "fao";
    readonly name: "Faroese";
}, {
    readonly code: "fas";
    readonly name: "Persian";
}, {
    readonly code: "fil";
    readonly name: "Filipino (old - Tagalog)";
}, {
    readonly code: "fin";
    readonly name: "Finnish";
}, {
    readonly code: "fra";
    readonly name: "French";
}, {
    readonly code: "frk";
    readonly name: "German - Fraktur (now deu_latf)";
}, {
    readonly code: "frm";
    readonly name: "French, Middle (ca.1400-1600)";
}, {
    readonly code: "fry";
    readonly name: "Western Frisian";
}, {
    readonly code: "gla";
    readonly name: "Scottish Gaelic";
}, {
    readonly code: "gle";
    readonly name: "Irish";
}, {
    readonly code: "glg";
    readonly name: "Galician";
}, {
    readonly code: "grc";
    readonly name: "Greek, Ancient (to 1453) (contrib)";
}, {
    readonly code: "guj";
    readonly name: "Gujarati";
}, {
    readonly code: "hat";
    readonly name: "Haitian; Haitian Creole";
}, {
    readonly code: "heb";
    readonly name: "Hebrew";
}, {
    readonly code: "hin";
    readonly name: "Hindi";
}, {
    readonly code: "hrv";
    readonly name: "Croatian";
}, {
    readonly code: "hun";
    readonly name: "Hungarian";
}, {
    readonly code: "hye";
    readonly name: "Armenian";
}, {
    readonly code: "iku";
    readonly name: "Inuktitut";
}, {
    readonly code: "ind";
    readonly name: "Indonesian";
}, {
    readonly code: "isl";
    readonly name: "Icelandic";
}, {
    readonly code: "ita";
    readonly name: "Italian";
}, {
    readonly code: "ita_old";
    readonly name: "Italian - Old";
}, {
    readonly code: "jav";
    readonly name: "Javanese";
}, {
    readonly code: "jpn";
    readonly name: "Japanese";
}, {
    readonly code: "kan";
    readonly name: "Kannada";
}, {
    readonly code: "kat";
    readonly name: "Georgian";
}, {
    readonly code: "kat_old";
    readonly name: "Georgian - Old";
}, {
    readonly code: "kaz";
    readonly name: "Kazakh";
}, {
    readonly code: "khm";
    readonly name: "Central Khmer";
}, {
    readonly code: "kir";
    readonly name: "Kirghiz; Kyrgyz";
}, {
    readonly code: "kmr";
    readonly name: "Kurmanji (Kurdish - Latin Script)";
}, {
    readonly code: "kor";
    readonly name: "Korean";
}, {
    readonly code: "kor_vert";
    readonly name: "Korean (vertical)";
}, {
    readonly code: "kur";
    readonly name: "Kurdish (Arabic Script)";
}, {
    readonly code: "lao";
    readonly name: "Lao";
}, {
    readonly code: "lat";
    readonly name: "Latin";
}, {
    readonly code: "lav";
    readonly name: "Latvian";
}, {
    readonly code: "lit";
    readonly name: "Lithuanian";
}, {
    readonly code: "ltz";
    readonly name: "Luxembourgish";
}, {
    readonly code: "mal";
    readonly name: "Malayalam";
}, {
    readonly code: "mar";
    readonly name: "Marathi";
}, {
    readonly code: "mkd";
    readonly name: "Macedonian";
}, {
    readonly code: "mlt";
    readonly name: "Maltese";
}, {
    readonly code: "mon";
    readonly name: "Mongolian";
}, {
    readonly code: "mri";
    readonly name: "Maori";
}, {
    readonly code: "msa";
    readonly name: "Malay";
}, {
    readonly code: "mya";
    readonly name: "Burmese";
}, {
    readonly code: "nep";
    readonly name: "Nepali";
}, {
    readonly code: "nld";
    readonly name: "Dutch; Flemish";
}, {
    readonly code: "nor";
    readonly name: "Norwegian";
}, {
    readonly code: "oci";
    readonly name: "Occitan (post 1500)";
}, {
    readonly code: "ori";
    readonly name: "Oriya";
}, {
    readonly code: "osd";
    readonly name: "Orientation and script detection module";
}, {
    readonly code: "pan";
    readonly name: "Panjabi; Punjabi";
}, {
    readonly code: "pol";
    readonly name: "Polish";
}, {
    readonly code: "por";
    readonly name: "Portuguese";
}, {
    readonly code: "pus";
    readonly name: "Pushto; Pashto";
}, {
    readonly code: "que";
    readonly name: "Quechua";
}, {
    readonly code: "ron";
    readonly name: "Romanian; Moldavian; Moldovan";
}, {
    readonly code: "rus";
    readonly name: "Russian";
}, {
    readonly code: "san";
    readonly name: "Sanskrit";
}, {
    readonly code: "sin";
    readonly name: "Sinhala; Sinhalese";
}, {
    readonly code: "slk";
    readonly name: "Slovak";
}, {
    readonly code: "slk_frak";
    readonly name: "Slovak - Fraktur (contrib)";
}, {
    readonly code: "slv";
    readonly name: "Slovenian";
}, {
    readonly code: "snd";
    readonly name: "Sindhi";
}, {
    readonly code: "spa";
    readonly name: "Spanish; Castilian";
}, {
    readonly code: "spa_old";
    readonly name: "Spanish; Castilian - Old";
}, {
    readonly code: "sqi";
    readonly name: "Albanian";
}, {
    readonly code: "srp";
    readonly name: "Serbian";
}, {
    readonly code: "srp_latn";
    readonly name: "Serbian - Latin";
}, {
    readonly code: "sun";
    readonly name: "Sundanese";
}, {
    readonly code: "swa";
    readonly name: "Swahili";
}, {
    readonly code: "swe";
    readonly name: "Swedish";
}, {
    readonly code: "syr";
    readonly name: "Syriac";
}, {
    readonly code: "tam";
    readonly name: "Tamil";
}, {
    readonly code: "tat";
    readonly name: "Tatar";
}, {
    readonly code: "tel";
    readonly name: "Telugu";
}, {
    readonly code: "tgk";
    readonly name: "Tajik";
}, {
    readonly code: "tgl";
    readonly name: "Tagalog (new - Filipino)";
}, {
    readonly code: "tha";
    readonly name: "Thai";
}, {
    readonly code: "tir";
    readonly name: "Tigrinya";
}, {
    readonly code: "ton";
    readonly name: "Tonga";
}, {
    readonly code: "tur";
    readonly name: "Turkish";
}, {
    readonly code: "uig";
    readonly name: "Uighur; Uyghur";
}, {
    readonly code: "ukr";
    readonly name: "Ukrainian";
}, {
    readonly code: "urd";
    readonly name: "Urdu";
}, {
    readonly code: "uzb";
    readonly name: "Uzbek";
}, {
    readonly code: "uzb_cyrl";
    readonly name: "Uzbek - Cyrilic";
}, {
    readonly code: "vie";
    readonly name: "Vietnamese";
}, {
    readonly code: "yid";
    readonly name: "Yiddish";
}, {
    readonly code: "yor";
    readonly name: "Yoruba";
}];
type OcrLanguageCode = (typeof supportedOcrLanguages)[number]["code"];

/**
 * Extract text from multiple PDF pages with optional per-page progress tracking
 */
declare function extractTextFromMultiPages(pages: PDFPageProxy[], lang?: OcrLanguageCode, onPageProgress?: (pageIndex: number, progress: number) => void): Promise<string[]>;

/**
 * Extract text from a single PDF page with optional progress tracking
 */
declare function extractTextFromSinglePage(page: PDFPageProxy, lang?: OcrLanguageCode, onProgress?: (progress: number) => void): Promise<string>;

declare function renderPageToImage(page: PDFPageProxy, scale?: number): Promise<string>;
declare function renderPagesToImages(pages: PDFPageProxy[], scale?: number): Promise<string[]>;

declare function loadPdf(file: File): Promise<PDFDocumentProxy$1>;

export { type OcrLanguageCode, PDFPageCanvas, PDFPagesCanvas, extractTextFromImage, extractTextFromImages, extractTextFromMultiPages, extractTextFromSinglePage, loadPdf, renderPageToImage, renderPagesToImages, supportedOcrLanguages, usePdfDocument, usePdfPage, usePdfPages };