import PDFEmbeddedPage from "./PDFEmbeddedPage";
import PDFFont from "./PDFFont";
import PDFImage from "./PDFImage";
import PDFPage from "./PDFPage";
import PDFForm from "./form/PDFForm";
import { StandardFonts } from "./StandardFonts";
import { PageBoundingBox, PDFCatalog, PDFContext } from "../core";
import { AttachmentOptions, SaveOptions, Base64SaveOptions, LoadOptions, CreateOptions, EmbedFontOptions, SetTitleOptions } from "./PDFDocumentOptions";
import PDFRef from "../core/objects/PDFRef";
import { Fontkit } from "../types/fontkit";
import { TransformationMatrix } from "../types/matrix";
/**
 * Represents a PDF document.
 */
export default class PDFDocument {
    /**
     * Load an existing [[PDFDocument]]. The input data can be provided in
     * multiple formats:
     *
     * | Type          | Contents                                               |
     * | ------------- | ------------------------------------------------------ |
     * | `string`      | A base64 encoded string (or data URI) containing a PDF |
     * | `Uint8Array`  | The raw bytes of a PDF                                 |
     * | `ArrayBuffer` | The raw bytes of a PDF                                 |
     *
     * For example:
     * ```js
     * import { PDFDocument } from 'pdf-lib'
     *
     * // pdf=string
     * const base64 =
     *  'JVBERi0xLjcKJYGBgYEKCjUgMCBvYmoKPDwKL0ZpbHRlciAvRmxhdGVEZWNvZGUKL0xlbm' +
     *  'd0aCAxMDQKPj4Kc3RyZWFtCniccwrhMlAAwaJ0Ln2P1Jyy1JLM5ERdc0MjCwUjE4WQNC4Q' +
     *  '6cNlCFZkqGCqYGSqEJLLZWNuYGZiZmbkYuZsZmlmZGRgZmluDCQNzc3NTM2NzdzMXMxMjQ' +
     *  'ztFEKyuEK0uFxDuAAOERdVCmVuZHN0cmVhbQplbmRvYmoKCjYgMCBvYmoKPDwKL0ZpbHRl' +
     *  'ciAvRmxhdGVEZWNvZGUKL1R5cGUgL09ialN0bQovTiA0Ci9GaXJzdCAyMAovTGVuZ3RoID' +
     *  'IxNQo+PgpzdHJlYW0KeJxVj9GqwjAMhu/zFHkBzTo3nCCCiiKIHPEICuJF3cKoSCu2E8/b' +
     *  '20wPIr1p8v9/8kVhgilmGfawX2CGaVrgcAi0/bsy0lrX7IGWpvJ4iJYEN3gEmrrGBlQwGs' +
     *  'HHO9VBX1wNrxAqMX87RBD5xpJuddqwd82tjAHxzV1U5LPgy52DKXWnr1Lheg+j/c/pzGVr' +
     *  'iqV0VlwZPXGPCJjElw/ybkwUmeoWgxesDXGhHJC/D/iikp1Av80ptKU0FdBEe25pPihAM1' +
     *  'u6ytgaaWfs2Hrz35CJT1+EWmAKZW5kc3RyZWFtCmVuZG9iagoKNyAwIG9iago8PAovU2l6' +
     *  'ZSA4Ci9Sb290IDIgMCBSCi9GaWx0ZXIgL0ZsYXRlRGVjb2RlCi9UeXBlIC9YUmVmCi9MZW' +
     *  '5ndGggMzgKL1cgWyAxIDIgMiBdCi9JbmRleCBbIDAgOCBdCj4+CnN0cmVhbQp4nBXEwREA' +
     *  'EBAEsCwz3vrvRmOOyyOoGhZdutHN2MT55fIAVocD+AplbmRzdHJlYW0KZW5kb2JqCgpzdG' +
     *  'FydHhyZWYKNTEwCiUlRU9G'
     *
     * const dataUri = 'data:application/pdf;base64,' + base64
     *
     * const pdfDoc1 = await PDFDocument.load(base64)
     * const pdfDoc2 = await PDFDocument.load(dataUri)
     *
     * // pdf=Uint8Array
     * import fs from 'fs'
     * const uint8Array = fs.readFileSync('with_update_sections.pdf')
     * const pdfDoc3 = await PDFDocument.load(uint8Array)
     *
     * // pdf=ArrayBuffer
     * const url = 'https://pdf-lib.js.org/assets/with_update_sections.pdf'
     * const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
     * const pdfDoc4 = await PDFDocument.load(arrayBuffer)
     *
     * ```
     *
     * @param pdf The input data containing a PDF document.
     * @param options The options to be used when loading the document.
     * @returns Resolves with a document loaded from the input.
     */
    static load(pdf: string | Uint8Array | ArrayBuffer, options?: LoadOptions): Promise<PDFDocument>;
    /**
     * Create a new [[PDFDocument]].
     * @returns Resolves with the newly created document.
     */
    static create(options?: CreateOptions): Promise<PDFDocument>;
    /** The low-level context of this document. */
    readonly context: PDFContext;
    /** The catalog of this document. */
    readonly catalog: PDFCatalog;
    /** Whether or not this document is encrypted. */
    readonly isEncrypted: boolean;
    /** The default word breaks used in PDFPage.drawText */
    defaultWordBreaks: string[];
    private fontkit?;
    private pageCount;
    private readonly pageCache;
    private readonly pageMap;
    private readonly formCache;
    private readonly fonts;
    private readonly images;
    private readonly embeddedPages;
    private readonly embeddedFiles;
    private readonly javaScripts;
    private constructor();
    /**
     * Register a fontkit instance. This must be done before custom fonts can
     * be embedded. See [here](https://github.com/Hopding/pdf-lib/tree/master#fontkit-installation)
     * for instructions on how to install and register a fontkit instance.
     *
     * > You do **not** need to call this method to embed standard fonts.
     *
     * For example:
     * ```js
     * import { PDFDocument } from 'pdf-lib'
     * import fontkit from '@pdf-lib/fontkit'
     *
     * const pdfDoc = await PDFDocument.create()
     * pdfDoc.registerFontkit(fontkit)
     * ```
     *
     * @param fontkit The fontkit instance to be registered.
     */
    registerFontkit(fontkit: Fontkit): void;
    /**
     * Get the [[PDFForm]] containing all interactive fields for this document.
     * For example:
     * ```js
     * const form = pdfDoc.getForm()
     * const fields = form.getFields()
     * fields.forEach(field => {
     *   const type = field.constructor.name
     *   const name = field.getName()
     *   console.log(`${type}: ${name}`)
     * })
     * ```
     * @returns The form for this document.
     */
    getForm(): PDFForm;
    /**
     * Get this document's title metadata. The title appears in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * const title = pdfDoc.getTitle()
     * ```
     * @returns A string containing the title of this document, if it has one.
     */
    getTitle(): string | undefined;
    /**
     * Get this document's author metadata. The author appears in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * const author = pdfDoc.getAuthor()
     * ```
     * @returns A string containing the author of this document, if it has one.
     */
    getAuthor(): string | undefined;
    /**
     * Get this document's subject metadata. The subject appears in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * const subject = pdfDoc.getSubject()
     * ```
     * @returns A string containing the subject of this document, if it has one.
     */
    getSubject(): string | undefined;
    /**
     * Get this document's keywords metadata. The keywords appear in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * const keywords = pdfDoc.getKeywords()
     * ```
     * @returns A string containing the keywords of this document, if it has any.
     */
    getKeywords(): string | undefined;
    /**
     * Get this document's creator metadata. The creator appears in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * const creator = pdfDoc.getCreator()
     * ```
     * @returns A string containing the creator of this document, if it has one.
     */
    getCreator(): string | undefined;
    /**
     * Get this document's producer metadata. The producer appears in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * const producer = pdfDoc.getProducer()
     * ```
     * @returns A string containing the producer of this document, if it has one.
     */
    getProducer(): string | undefined;
    /**
     * Get this document's creation date metadata. The creation date appears in
     * the "Document Properties" section of most PDF readers. For example:
     * ```js
     * const creationDate = pdfDoc.getCreationDate()
     * ```
     * @returns A Date containing the creation date of this document,
     *          if it has one.
     */
    getCreationDate(): Date | undefined;
    /**
     * Get this document's modification date metadata. The modification date
     * appears in the "Document Properties" section of most PDF readers.
     * For example:
     * ```js
     * const modification = pdfDoc.getModificationDate()
     * ```
     * @returns A Date containing the modification date of this document,
     *          if it has one.
     */
    getModificationDate(): Date | undefined;
    /**
     * Set this document's title metadata. The title will appear in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * pdfDoc.setTitle('🥚 The Life of an Egg 🍳')
     * ```
     *
     * To display the title in the window's title bar, set the
     * `showInWindowTitleBar` option to `true` (works for _most_ PDF readers).
     * For example:
     * ```js
     * pdfDoc.setTitle('🥚 The Life of an Egg 🍳', { showInWindowTitleBar: true })
     * ```
     *
     * @param title The title of this document.
     * @param options The options to be used when setting the title.
     */
    setTitle(title: string, options?: SetTitleOptions): void;
    /**
     * Set this document's author metadata. The author will appear in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * pdfDoc.setAuthor('Humpty Dumpty')
     * ```
     * @param author The author of this document.
     */
    setAuthor(author: string): void;
    /**
     * Set this document's subject metadata. The subject will appear in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * pdfDoc.setSubject('📘 An Epic Tale of Woe 📖')
     * ```
     * @param subject The subject of this document.
     */
    setSubject(subject: string): void;
    /**
     * Set this document's keyword metadata. These keywords will appear in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * pdfDoc.setKeywords(['eggs', 'wall', 'fall', 'king', 'horses', 'men'])
     * ```
     * @param keywords An array of keywords associated with this document.
     */
    setKeywords(keywords: string[]): void;
    /**
     * Set this document's creator metadata. The creator will appear in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * pdfDoc.setCreator('PDF App 9000 🤖')
     * ```
     * @param creator The creator of this document.
     */
    setCreator(creator: string): void;
    /**
     * Set this document's producer metadata. The producer will appear in the
     * "Document Properties" section of most PDF readers. For example:
     * ```js
     * pdfDoc.setProducer('PDF App 9000 🤖')
     * ```
     * @param producer The producer of this document.
     */
    setProducer(producer: string): void;
    /**
     * Set this document's language metadata. The language will appear in the
     * "Document Properties" section of some PDF readers. For example:
     * ```js
     * pdfDoc.setLanguage('en-us')
     * ```
     *
     * @param language An RFC 3066 _Language-Tag_ denoting the language of this
     *                 document, or an empty string if the language is unknown.
     */
    setLanguage(language: string): void;
    /**
     * Set this document's creation date metadata. The creation date will appear
     * in the "Document Properties" section of most PDF readers. For example:
     * ```js
     * pdfDoc.setCreationDate(new Date())
     * ```
     * @param creationDate The date this document was created.
     */
    setCreationDate(creationDate: Date): void;
    /**
     * Set this document's modification date metadata. The modification date will
     * appear in the "Document Properties" section of most PDF readers. For
     * example:
     * ```js
     * pdfDoc.setModificationDate(new Date())
     * ```
     * @param modificationDate The date this document was last modified.
     */
    setModificationDate(modificationDate: Date): void;
    /**
     * Get the number of pages contained in this document. For example:
     * ```js
     * const totalPages = pdfDoc.getPageCount()
     * ```
     * @returns The number of pages in this document.
     */
    getPageCount(): number;
    /**
     * Get an array of all the pages contained in this document. The pages are
     * stored in the array in the same order that they are rendered in the
     * document. For example:
     * ```js
     * const pages = pdfDoc.getPages()
     * pages[0]   // The first page of the document
     * pages[2]   // The third page of the document
     * pages[197] // The 198th page of the document
     * ```
     * @returns An array of all the pages contained in this document.
     */
    getPages(): PDFPage[];
    /**
     * Get the page rendered at a particular `index` of the document. For example:
     * ```js
     * pdfDoc.getPage(0)   // The first page of the document
     * pdfDoc.getPage(2)   // The third page of the document
     * pdfDoc.getPage(197) // The 198th page of the document
     * ```
     * @returns The [[PDFPage]] rendered at the given `index` of the document.
     */
    getPage(index: number): PDFPage;
    /**
     * Get an array of indices for all the pages contained in this document. The
     * array will contain a range of integers from
     * `0..pdfDoc.getPageCount() - 1`. For example:
     * ```js
     * const pdfDoc = await PDFDocument.create()
     * pdfDoc.addPage()
     * pdfDoc.addPage()
     * pdfDoc.addPage()
     *
     * const indices = pdfDoc.getPageIndices()
     * indices // => [0, 1, 2]
     * ```
     * @returns An array of indices for all pages contained in this document.
     */
    getPageIndices(): number[];
    /**
     * Remove the page at a given index from this document. For example:
     * ```js
     * pdfDoc.removePage(0)   // Remove the first page of the document
     * pdfDoc.removePage(2)   // Remove the third page of the document
     * pdfDoc.removePage(197) // Remove the 198th page of the document
     * ```
     * Once a page has been removed, it will no longer be rendered at that index
     * in the document.
     * @param index The index of the page to be removed.
     */
    removePage(index: number): void;
    /**
     * Add a page to the end of this document. This method accepts three
     * different value types for the `page` parameter:
     *
     * | Type               | Behavior                                                                            |
     * | ------------------ | ----------------------------------------------------------------------------------- |
     * | `undefined`        | Create a new page and add it to the end of this document                            |
     * | `[number, number]` | Create a new page with the given dimensions and add it to the end of this document  |
     * | `PDFPage`          | Add the existing page to the end of this document                                   |
     *
     * For example:
     * ```js
     * // page=undefined
     * const newPage = pdfDoc.addPage()
     *
     * // page=[number, number]
     * import { PageSizes } from 'pdf-lib'
     * const newPage1 = pdfDoc.addPage(PageSizes.A7)
     * const newPage2 = pdfDoc.addPage(PageSizes.Letter)
     * const newPage3 = pdfDoc.addPage([500, 750])
     *
     * // page=PDFPage
     * const pdfDoc1 = await PDFDocument.create()
     * const pdfDoc2 = await PDFDocument.load(...)
     * const [existingPage] = await pdfDoc1.copyPages(pdfDoc2, [0])
     * pdfDoc1.addPage(existingPage)
     * ```
     *
     * @param page Optionally, the desired dimensions or existing page.
     * @returns The newly created (or existing) page.
     */
    addPage(page?: PDFPage | [number, number]): PDFPage;
    /**
     * Insert a page at a given index within this document. This method accepts
     * three different value types for the `page` parameter:
     *
     * | Type               | Behavior                                                                       |
     * | ------------------ | ------------------------------------------------------------------------------ |
     * | `undefined`        | Create a new page and insert it into this document                             |
     * | `[number, number]` | Create a new page with the given dimensions and insert it into this document   |
     * | `PDFPage`          | Insert the existing page into this document                                    |
     *
     * For example:
     * ```js
     * // page=undefined
     * const newPage = pdfDoc.insertPage(2)
     *
     * // page=[number, number]
     * import { PageSizes } from 'pdf-lib'
     * const newPage1 = pdfDoc.insertPage(2, PageSizes.A7)
     * const newPage2 = pdfDoc.insertPage(0, PageSizes.Letter)
     * const newPage3 = pdfDoc.insertPage(198, [500, 750])
     *
     * // page=PDFPage
     * const pdfDoc1 = await PDFDocument.create()
     * const pdfDoc2 = await PDFDocument.load(...)
     * const [existingPage] = await pdfDoc1.copyPages(pdfDoc2, [0])
     * pdfDoc1.insertPage(0, existingPage)
     * ```
     *
     * @param index The index at which the page should be inserted (zero-based).
     * @param page Optionally, the desired dimensions or existing page.
     * @returns The newly created (or existing) page.
     */
    insertPage(index: number, page?: PDFPage | [number, number]): PDFPage;
    /**
     * Copy pages from a source document into this document. Allows pages to be
     * copied between different [[PDFDocument]] instances. For example:
     * ```js
     * const pdfDoc = await PDFDocument.create()
     * const srcDoc = await PDFDocument.load(...)
     *
     * const copiedPages = await pdfDoc.copyPages(srcDoc, [0, 3, 89])
     * const [firstPage, fourthPage, ninetiethPage] = copiedPages;
     *
     * pdfDoc.addPage(fourthPage)
     * pdfDoc.insertPage(0, ninetiethPage)
     * pdfDoc.addPage(firstPage)
     * ```
     * @param srcDoc The document from which pages should be copied.
     * @param indices The indices of the pages that should be copied.
     * @returns Resolves with an array of pages copied into this document.
     */
    copyPages(srcDoc: PDFDocument, indices: number[]): Promise<PDFPage[]>;
    /**
     * Get a copy of this document.
     *
     * For example:
     * ```js
     * const srcDoc = await PDFDocument.load(...)
     * const pdfDoc = await srcDoc.copy()
     * ```
     *
     * > **NOTE:**  This method won't copy all information over to the new
     * > document (acroforms, outlines, etc...).
     *
     * @returns Resolves with a copy this document.
     */
    copy(): Promise<PDFDocument>;
    /**
     * Add JavaScript to this document. The supplied `script` is executed when the
     * document is opened. The `script` can be used to perform some operation
     * when the document is opened (e.g. logging to the console), or it can be
     * used to define a function that can be referenced later in a JavaScript
     * action. For example:
     * ```js
     * // Show "Hello World!" in the console when the PDF is opened
     * pdfDoc.addJavaScript(
     *   'main',
     *   'console.show(); console.println("Hello World!");'
     * );
     *
     * // Define a function named "foo" that can be called in JavaScript Actions
     * pdfDoc.addJavaScript(
     *   'foo',
     *   'function foo() { return "foo"; }'
     * );
     * ```
     * See the [JavaScript for Acrobat API Reference](https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/js_api_reference.pdf)
     * for details.
     * @param name The name of the script. Must be unique per document.
     * @param script The JavaScript to execute.
     */
    addJavaScript(name: string, script: string): void;
    /**
     * Add an attachment to this document. Attachments are visible in the
     * "Attachments" panel of Adobe Acrobat and some other PDF readers. Any
     * type of file can be added as an attachment. This includes, but is not
     * limited to, `.png`, `.jpg`, `.pdf`, `.csv`, `.docx`, and `.xlsx` files.
     *
     * The input data can be provided in multiple formats:
     *
     * | Type          | Contents                                                       |
     * | ------------- | -------------------------------------------------------------- |
     * | `string`      | A base64 encoded string (or data URI) containing an attachment |
     * | `Uint8Array`  | The raw bytes of an attachment                                 |
     * | `ArrayBuffer` | The raw bytes of an attachment                                 |
     *
     * For example:
     * ```js
     * // attachment=string
     * await pdfDoc.attach('/9j/4AAQSkZJRgABAQAAAQABAAD/2wBD...', 'cat_riding_unicorn.jpg', {
     *   mimeType: 'image/jpeg',
     *   description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
     *   creationDate: new Date('2019/12/01'),
     *   modificationDate: new Date('2020/04/19'),
     * })
     * await pdfDoc.attach('data:image/jpeg;base64,/9j/4AAQ...', 'cat_riding_unicorn.jpg', {
     *   mimeType: 'image/jpeg',
     *   description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
     *   creationDate: new Date('2019/12/01'),
     *   modificationDate: new Date('2020/04/19'),
     * })
     *
     * // attachment=Uint8Array
     * import fs from 'fs'
     * const uint8Array = fs.readFileSync('cat_riding_unicorn.jpg')
     * await pdfDoc.attach(uint8Array, 'cat_riding_unicorn.jpg', {
     *   mimeType: 'image/jpeg',
     *   description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
     *   creationDate: new Date('2019/12/01'),
     *   modificationDate: new Date('2020/04/19'),
     * })
     *
     * // attachment=ArrayBuffer
     * const url = 'https://pdf-lib.js.org/assets/cat_riding_unicorn.jpg'
     * const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
     * await pdfDoc.attach(arrayBuffer, 'cat_riding_unicorn.jpg', {
     *   mimeType: 'image/jpeg',
     *   description: 'Cool cat riding a unicorn! 🦄🐈🕶️',
     *   creationDate: new Date('2019/12/01'),
     *   modificationDate: new Date('2020/04/19'),
     * })
     * ```
     *
     * @param attachment The input data containing the file to be attached.
     * @param name The name of the file to be attached.
     * @returns Resolves when the attachment is complete.
     */
    attach(attachment: string | Uint8Array | ArrayBuffer, name: string, options?: AttachmentOptions): Promise<void>;
    /**
     * Embed a font into this document. The input data can be provided in multiple
     * formats:
     *
     * | Type            | Contents                                                |
     * | --------------- | ------------------------------------------------------- |
     * | `StandardFonts` | One of the standard 14 fonts                            |
     * | `string`        | A base64 encoded string (or data URI) containing a font |
     * | `Uint8Array`    | The raw bytes of a font                                 |
     * | `ArrayBuffer`   | The raw bytes of a font                                 |
     *
     * For example:
     * ```js
     * // font=StandardFonts
     * import { StandardFonts } from 'pdf-lib'
     * const font1 = await pdfDoc.embedFont(StandardFonts.Helvetica)
     *
     * // font=string
     * const font2 = await pdfDoc.embedFont('AAEAAAAVAQAABABQRFNJRx/upe...')
     * const font3 = await pdfDoc.embedFont('data:font/opentype;base64,AAEAAA...')
     *
     * // font=Uint8Array
     * import fs from 'fs'
     * const font4 = await pdfDoc.embedFont(fs.readFileSync('Ubuntu-R.ttf'))
     *
     * // font=ArrayBuffer
     * const url = 'https://pdf-lib.js.org/assets/ubuntu/Ubuntu-R.ttf'
     * const ubuntuBytes = await fetch(url).then(res => res.arrayBuffer())
     * const font5 = await pdfDoc.embedFont(ubuntuBytes)
     * ```
     * See also: [[registerFontkit]]
     * @param font The input data for a font.
     * @param options The options to be used when embedding the font.
     * @returns Resolves with the embedded font.
     */
    embedFont(font: StandardFonts | string | Uint8Array | ArrayBuffer, options?: EmbedFontOptions): Promise<PDFFont>;
    /**
     * Embed a standard font into this document.
     * For example:
     * ```js
     * import { StandardFonts } from 'pdf-lib'
     * const helveticaFont = pdfDoc.embedFont(StandardFonts.Helvetica)
     * ```
     * @param font The standard font to be embedded.
     * @param customName The name to be used when embedding the font.
     * @returns The embedded font.
     */
    embedStandardFont(font: StandardFonts, customName?: string): PDFFont;
    /**
     * Embed a JPEG image into this document. The input data can be provided in
     * multiple formats:
     *
     * | Type          | Contents                                                      |
     * | ------------- | ------------------------------------------------------------- |
     * | `string`      | A base64 encoded string (or data URI) containing a JPEG image |
     * | `Uint8Array`  | The raw bytes of a JPEG image                                 |
     * | `ArrayBuffer` | The raw bytes of a JPEG image                                 |
     *
     * For example:
     * ```js
     * // jpg=string
     * const image1 = await pdfDoc.embedJpg('/9j/4AAQSkZJRgABAQAAAQABAAD/2wBD...')
     * const image2 = await pdfDoc.embedJpg('data:image/jpeg;base64,/9j/4AAQ...')
     *
     * // jpg=Uint8Array
     * import fs from 'fs'
     * const uint8Array = fs.readFileSync('cat_riding_unicorn.jpg')
     * const image3 = await pdfDoc.embedJpg(uint8Array)
     *
     * // jpg=ArrayBuffer
     * const url = 'https://pdf-lib.js.org/assets/cat_riding_unicorn.jpg'
     * const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
     * const image4 = await pdfDoc.embedJpg(arrayBuffer)
     * ```
     *
     * @param jpg The input data for a JPEG image.
     * @returns Resolves with the embedded image.
     */
    embedJpg(jpg: string | Uint8Array | ArrayBuffer): Promise<PDFImage>;
    /**
     * Embed a PNG image into this document. The input data can be provided in
     * multiple formats:
     *
     * | Type          | Contents                                                     |
     * | ------------- | ------------------------------------------------------------ |
     * | `string`      | A base64 encoded string (or data URI) containing a PNG image |
     * | `Uint8Array`  | The raw bytes of a PNG image                                 |
     * | `ArrayBuffer` | The raw bytes of a PNG image                                 |
     *
     * For example:
     * ```js
     * // png=string
     * const image1 = await pdfDoc.embedPng('iVBORw0KGgoAAAANSUhEUgAAAlgAAAF3...')
     * const image2 = await pdfDoc.embedPng('data:image/png;base64,iVBORw0KGg...')
     *
     * // png=Uint8Array
     * import fs from 'fs'
     * const uint8Array = fs.readFileSync('small_mario.png')
     * const image3 = await pdfDoc.embedPng(uint8Array)
     *
     * // png=ArrayBuffer
     * const url = 'https://pdf-lib.js.org/assets/small_mario.png'
     * const arrayBuffer = await fetch(url).then(res => res.arrayBuffer())
     * const image4 = await pdfDoc.embedPng(arrayBuffer)
     * ```
     *
     * @param png The input data for a PNG image.
     * @returns Resolves with the embedded image.
     */
    embedPng(png: string | Uint8Array | ArrayBuffer): Promise<PDFImage>;
    /**
     * Embed one or more PDF pages into this document.
     *
     * For example:
     * ```js
     * const pdfDoc = await PDFDocument.create()
     *
     * const sourcePdfUrl = 'https://pdf-lib.js.org/assets/with_large_page_count.pdf'
     * const sourcePdf = await fetch(sourcePdfUrl).then((res) => res.arrayBuffer())
     *
     * // Embed page 74 of `sourcePdf` into `pdfDoc`
     * const [embeddedPage] = await pdfDoc.embedPdf(sourcePdf, [73])
     * ```
     *
     * See [[PDFDocument.load]] for examples of the allowed input data formats.
     *
     * @param pdf The input data containing a PDF document.
     * @param indices The indices of the pages that should be embedded.
     * @returns Resolves with an array of the embedded pages.
     */
    embedPdf(pdf: string | Uint8Array | ArrayBuffer | PDFDocument, indices?: number[]): Promise<PDFEmbeddedPage[]>;
    /**
     * Embed a single PDF page into this document.
     *
     * For example:
     * ```js
     * const pdfDoc = await PDFDocument.create()
     *
     * const sourcePdfUrl = 'https://pdf-lib.js.org/assets/with_large_page_count.pdf'
     * const sourceBuffer = await fetch(sourcePdfUrl).then((res) => res.arrayBuffer())
     * const sourcePdfDoc = await PDFDocument.load(sourceBuffer)
     * const sourcePdfPage = sourcePdfDoc.getPages()[73]
     *
     * const embeddedPage = await pdfDoc.embedPage(
     *   sourcePdfPage,
     *
     *   // Clip a section of the source page so that we only embed part of it
     *   { left: 100, right: 450, bottom: 330, top: 570 },
     *
     *   // Translate all drawings of the embedded page by (10, 200) units
     *   [1, 0, 0, 1, 10, 200],
     * )
     * ```
     *
     * @param page The page to be embedded.
     * @param boundingBox
     * Optionally, an area of the source page that should be embedded
     * (defaults to entire page).
     * @param transformationMatrix
     * Optionally, a transformation matrix that is always applied to the embedded
     * page anywhere it is drawn.
     * @returns Resolves with the embedded pdf page.
     */
    embedPage(page: PDFPage, boundingBox?: PageBoundingBox, transformationMatrix?: TransformationMatrix): Promise<PDFEmbeddedPage>;
    /**
     * Embed one or more PDF pages into this document.
     *
     * For example:
     * ```js
     * const pdfDoc = await PDFDocument.create()
     *
     * const sourcePdfUrl = 'https://pdf-lib.js.org/assets/with_large_page_count.pdf'
     * const sourceBuffer = await fetch(sourcePdfUrl).then((res) => res.arrayBuffer())
     * const sourcePdfDoc = await PDFDocument.load(sourceBuffer)
     *
     * const page1 = sourcePdfDoc.getPages()[0]
     * const page2 = sourcePdfDoc.getPages()[52]
     * const page3 = sourcePdfDoc.getPages()[73]
     *
     * const embeddedPages = await pdfDoc.embedPages([page1, page2, page3])
     * ```
     *
     * @param page
     * The pages to be embedded (they must all share the same context).
     * @param boundingBoxes
     * Optionally, an array of clipping boundaries - one for each page
     * (defaults to entirety of each page).
     * @param transformationMatrices
     * Optionally, an array of transformation matrices - one for each page
     * (each page's transformation will apply anywhere it is drawn).
     * @returns Resolves with an array of the embedded pdf pages.
     */
    embedPages(pages: PDFPage[], boundingBoxes?: (PageBoundingBox | undefined)[], transformationMatrices?: (TransformationMatrix | undefined)[]): Promise<PDFEmbeddedPage[]>;
    /**
     * > **NOTE:** You shouldn't need to call this method directly. The [[save]]
     * > and [[saveAsBase64]] methods will automatically ensure that all embedded
     * > assets are flushed before serializing the document.
     *
     * Flush all embedded fonts, PDF pages, and images to this document's
     * [[context]].
     *
     * @returns Resolves when the flush is complete.
     */
    flush(): Promise<void>;
    /**
     * Serialize this document to an array of bytes making up a PDF file.
     * For example:
     * ```js
     * const pdfBytes = await pdfDoc.save()
     * ```
     *
     * There are a number of things you can do with the serialized document,
     * depending on the JavaScript environment you're running in:
     * * Write it to a file in Node or React Native
     * * Download it as a Blob in the browser
     * * Render it in an `iframe`
     *
     * @param options The options to be used when saving the document.
     * @returns Resolves with the bytes of the serialized document.
     */
    save(options?: SaveOptions): Promise<Uint8Array>;
    /**
     * Serialize this document to a base64 encoded string or data URI making up a
     * PDF file. For example:
     * ```js
     * const base64String = await pdfDoc.saveAsBase64()
     * base64String // => 'JVBERi0xLjcKJYGBgYEKC...'
     *
     * const base64DataUri = await pdfDoc.saveAsBase64({ dataUri: true })
     * base64DataUri // => 'data:application/pdf;base64,JVBERi0xLjcKJYGBgYEKC...'
     * ```
     *
     * @param options The options to be used when saving the document.
     * @returns Resolves with a base64 encoded string or data URI of the
     *          serialized document.
     */
    saveAsBase64(options?: Base64SaveOptions): Promise<string>;
    findPageForAnnotationRef(ref: PDFRef): PDFPage | undefined;
    private embedAll;
    private updateInfoDict;
    private getInfoDict;
    private assertFontkit;
    private computePages;
    private getOrCreateForm;
}
//# sourceMappingURL=PDFDocument.d.ts.map