import { SurveyModel, EventBase, SurveyElement, Question, PanelModel, ITheme, ItemValue } from 'survey-core';
import { IDocOptions, DocController } from './doc_controller';
import { IPdfBrick } from './pdf_render/pdf_brick';
import { EventAsync } from './event_handler/event_async';
import { DrawCanvas } from './event_handler/draw_canvas';
import { AdornersOptions, AdornersPanelOptions, AdornersPageOptions } from './event_handler/adorners';
import { IDocStyle } from './style/types';
import { IDocLayout } from './layouts/types';
import { ITextStyle, ISelectionInputStyle, IQuestionStyle, IPageStyle, IPanelStyle } from './style/types';
/**
 * The `SurveyPDF` object enables you to export your surveys and forms to PDF documents.
 *
 * [View Demo](https://surveyjs.io/pdf-generator/examples/ (linkStyle))
 */
export declare class SurveyPDF extends SurveyModel {
    private static currentlySaving;
    private static saveQueue;
    options: IDocOptions;
    private legacyLayout;
    constructor(jsonObject: any, options?: IDocOptions);
    get haveCommercialLicense(): boolean;
    set haveCommercialLicense(val: boolean);
    get licenseText(): string;
    /**
     * An event that is raised when SurveyJS PDF Generator renders a page header. Handle this event to customize the header.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `canvas`: [`DrawCanvas`](https://surveyjs.io/pdf-generator/documentation/api-reference/drawcanvas)\
     * An object that you can use to draw text and images in the page header.
     * [View Demo](https://surveyjs.io/pdf-generator/examples/customize-header-and-footer-of-pdf-form/ (linkStyle))
     */
    onRenderHeader: EventAsync<SurveyPDF, DrawCanvas>;
    /**
     * An event that is raised when SurveyJS PDF Generator renders a page footer. Handle this event to customize the footer.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `canvas`: [`DrawCanvas`](https://surveyjs.io/pdf-generator/documentation/api-reference/drawcanvas)\
     * An object that you can use to draw text and images in the page footer.
     * [View Demo](https://surveyjs.io/pdf-generator/examples/customize-header-and-footer-of-pdf-form/ (linkStyle))
     */
    onRenderFooter: EventAsync<SurveyPDF, DrawCanvas>;
    /**
     * An event that is raised when SurveyJS PDF Generator renders a survey question. Handle this event to customize question rendering.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `options.question`: [`Question`](https://surveyjs.io/form-library/documentation/api-reference/question)\
     * A survey question that is being rendered.
     * - `options.point`: `IPoint`\
     * An object with coordinates of the top-left corner of the element being rendered. This object contains the following properties: `{ xLeft: number, yTop: number }`.
     * - `options.bricks`: [`PdfBrick[]`](https://surveyjs.io/pdf-generator/documentation/api-reference/pdfbrick)\
     * An array of [bricks](https://surveyjs.io/pdf-generator/documentation/customize-survey-question-rendering-in-pdf-form#custom-rendering) used to render the element.
     * - `options.controller`: [`DocController`](https://surveyjs.io/pdf-generator/documentation/api-reference/doccontroller)\
     * An object that provides access to main PDF document properties (font, margins, page width and height) and allows you to modify them.
     * - `options.repository`: `FlatRepository`\
     * A repository with classes that render elements to PDF. Use its `create` method if you need to create a new instance of a rendering class.
     */
    onRenderQuestion: EventAsync<SurveyPDF, AdornersOptions>;
    /**
     * An event that is raised when SurveyJS PDF Generator renders a panel. Handle this event to customize panel rendering.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `options.panel`: [`PanelModel`](https://surveyjs.io/form-library/documentation/api-reference/panel-model)\
     * A panel that is being rendered.
     * - `options.point`: `IPoint`\
     * An object with coordinates of the top-left corner of the element being rendered. This object contains the following properties: `{ xLeft: number, yTop: number }`.
     * - `options.bricks`: [`PdfBrick[]`](https://surveyjs.io/pdf-generator/documentation/api-reference/pdfbrick)\
     * An array of [bricks](https://surveyjs.io/pdf-generator/documentation/customize-survey-question-rendering-in-pdf-form#custom-rendering) used to render the element.
     * - `options.controller`: [`DocController`](https://surveyjs.io/pdf-generator/documentation/api-reference/doccontroller)\
     * An object that provides access to main PDF document properties (font, margins, page width and height) and allows you to modify them.
     * - `options.repository`: `FlatRepository`\
     * A repository with classes that render elements to PDF. Use its `create` method if you need to create a new instance of a rendering class.
     */
    onRenderPanel: EventAsync<SurveyPDF, AdornersPanelOptions>;
    /**
     * An event that is raised when SurveyJS PDF Generator renders a page. Handle this event to customize page rendering.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `options.page`: [`PageModel`](https://surveyjs.io/form-library/documentation/api-reference/page-model)\
     * A page that is being rendered.
     * - `options.point`: `IPoint`\
     * An object with coordinates of the top-left corner of the element being rendered. This object contains the following properties: `{ xLeft: number, yTop: number }`.
     * - `options.bricks`: [`PdfBrick[]`](https://surveyjs.io/pdf-generator/documentation/api-reference/pdfbrick)\
     * An array of [bricks](https://surveyjs.io/pdf-generator/documentation/customize-survey-question-rendering-in-pdf-form#custom-rendering) used to render the element.
     * - `options.controller`: [`DocController`](https://surveyjs.io/pdf-generator/documentation/api-reference/doccontroller)\
     * An object that provides access to main PDF document properties (font, margins, page width and height) and allows you to modify them.
     * - `options.repository`: `FlatRepository`\
     * A repository with classes that render elements to PDF. Use its `create` method if you need to create a new instance of a rendering class.
     */
    onRenderPage: EventAsync<SurveyPDF, AdornersPageOptions>;
    onDocControllerCreated: EventBase<SurveyPDF, {
        controller: DocController;
    }>;
    onRenderCheckItemAcroform: EventAsync<SurveyPDF, any>;
    onRenderRadioGroupWrapAcroform: EventAsync<SurveyPDF, any>;
    onRenderRadioItemAcroform: EventAsync<SurveyPDF, any>;
    updateCheckItemAcroformOptions(options: any, question: Question, context?: any): void;
    getUpdatedRadioGroupWrapOptions(options: any, question: Question, context?: any): void;
    updateRadioItemAcroformOptions(options: any, question: Question, context?: any): void;
    /**
     * An event that allows you to customize the visual style applied to a question in an exported PDF document.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `options.question`: [`Question`](https://surveyjs.io/form-library/documentation/api-reference/question)\
     * A survey question whose style is being customized.
     * - `options.getColorVariable`: `(name: string) => string`\
     * A helper function that returns the value of a color variable by name.
     * - `options.getSizeVariable`: `(name: string) => number`\
     * A helper function that returns the value of a size variable by name.
     * - `options.style`: [`IQuestionStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/IQuestionStyle)\
     * An object that defines the question's visual style. Modify its properties to control how the question is rendered in the exported PDF document.
     *
     * [Customize Individual Element Styles in PDF](https://surveyjs.io/pdf-generator/documentation/customize-survey-question-rendering-in-pdf-form#customize-individual-element-styles (linkStyle))
     * @since 3.0.0
     */
    onGetQuestionStyle: EventBase<SurveyPDF, {
        question: Question;
        style: IQuestionStyle;
        getColorVariable: (name: string) => string;
        getSizeVariable: (name: string) => number;
    }>;
    /**
     * An event that allows you to customize the visual style applied to a panel in an exported PDF document.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `options.panel`: [`PanelModel`](https://surveyjs.io/form-library/documentation/api-reference/panel-model)\
     * A panel whose style is being customized.
     * - `options.getColorVariable`: `(name: string) => string`\
     * A helper function that returns the value of a color variable by name.
     * - `options.getSizeVariable`: `(name: string) => number`\
     * A helper function that returns the value of a size variable by name.
     * - `options.style`: [`IPanelStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/IPanelStyle)\
     * An object that defines the panel's visual style. Modify its properties to control how the panel is rendered in the exported PDF document.
     *
     * [Customize Individual Element Styles in PDF](https://surveyjs.io/pdf-generator/documentation/customize-survey-question-rendering-in-pdf-form#customize-individual-element-styles (linkStyle))
     * @since 3.0.0
     */
    onGetPanelStyle: EventBase<SurveyPDF, {
        panel: PanelModel;
        style: IPanelStyle;
        getColorVariable: (name: string) => string;
        getSizeVariable: (name: string) => number;
    }>;
    /**
     * An event that allows you to customize the visual style applied to a page in an exported PDF document.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `options.page`: [`PageModel`](https://surveyjs.io/form-library/documentation/api-reference/page-model)\
     * A page whose style is being customized.
     * - `options.getColorVariable`: `(name: string) => string`\
     * A helper function that returns the value of a color variable by name.
     * - `options.getSizeVariable`: `(name: string) => number`\
     * A helper function that returns the value of a size variable by name.
     * - `options.style`: [`IPageStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/IPageStyle)\
     * An object that defines the page's visual style. Modify its properties to control how the page is rendered in the exported PDF document.
     *
     * [Customize Individual Element Styles in PDF](https://surveyjs.io/pdf-generator/documentation/customize-survey-question-rendering-in-pdf-form#customize-individual-element-styles (linkStyle))
     * @since 3.0.0
     */
    onGetPageStyle: EventBase<SurveyPDF, {
        page: PanelModel;
        style: IPageStyle;
        getColorVariable: (name: string) => string;
        getSizeVariable: (name: string) => number;
    }>;
    /**
     * An event that allows you to customize the visual style applied to a choice item in an exported PDF document.
     *
     * Parameters:
     *
     * - `sender`: `SurveyPDF`\
     * A `SurveyPDF` instance that raised the event.
     * - `options.question`: [`Question`](https://surveyjs.io/form-library/documentation/api-reference/question)\
     * A question to which the item belongs.
     * - `options.item`: `ItemValue`\
     * A choice item whose style is being customized.
     * - `options.getColorVariable`: `(name: string) => string`\
     * A helper function that returns the value of a color variable by name.
     * - `options.getSizeVariable`: `(name: string) => number`\
     * A helper function that returns the value of a size variable by name.
     * - `options.style.choiceText`: [`ITextStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/ITextStyle)\
     * An object that defines the visual style applied to the item's text.
     * - `options.style.input`: [`ISelectionInputStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/ISelectionInputStyle)\
     * An object that defines the visual style applied to the item's input control.
     *
     * Modify the properties of `options.style.choiceText` and `options.style.input` to control how the item is rendered in the exported PDF document.
     *
     * [Customize Individual Element Styles in PDF](https://surveyjs.io/pdf-generator/documentation/customize-survey-question-rendering-in-pdf-form#customize-individual-element-styles (linkStyle))
     * @since 3.0.0
     */
    onGetItemStyle: EventBase<SurveyPDF, {
        question: Question;
        item: ItemValue;
        style: {
            choiceText: ITextStyle;
            input: ISelectionInputStyle;
        };
        getColorVariable: (name: string) => string;
        getSizeVariable: (name: string) => number;
    }>;
    private styleValue;
    /**
     * An object that defines the visual style applied to UI elements in an exported PDF document.
     *
     * To apply a new visual style to the PDF document, call the [`applyStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/surveypdf#applyStyle) method.
     *
     * [PDF Appearance Customization - Styles Config](/pdf-generator/documentation/pdf-appearance-customization#styles-config (linkStyle))
     * @since 3.0.0
     */
    get style(): IDocStyle;
    private clearStyles;
    /**
     * Applies a visual style to UI elements in the exported PDF document.
     *
     * This method accepts either an [`IDocStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/IDocStyle) object that overrides properties in the default visual style, or a callback function that returns such an object. When a callback is used, it receives helper functions&mdash;`getSizeVariable(name)` and `getColorVariable(name)`&mdash;which allow you to derive dimensions and colors from the currently applied UI theme.
     *
     * [PDF Appearance Customization - Styles Config](/pdf-generator/documentation/pdf-appearance-customization#styles-config (linkStyle))
     * @param value An [`IDocStyle`](https://surveyjs.io/pdf-generator/documentation/api-reference/IDocStyle) object, or a callback function that returns an `IDocStyle` object.
     * @since 3.0.0
     */
    applyStyle(value: IDocStyle | ((options: {
        getColorVariable: (name: string) => string;
        getSizeVariable: (name: string) => number;
    }) => IDocStyle)): void;
    private _theme;
    get theme(): ITheme;
    /**
     * Applies a UI theme to the exported PDF document.
     *
     * A theme defines color- and shadow-related CSS variables. To configure spacing, sizing, typography, and other non-color variables, use the [`applyLayout`](#applyLayout) method.
     * @param theme An [`ITheme`](https://surveyjs.io/form-library/documentation/api-reference/itheme) object with theme settings.
     * @param baseTheme An optional `ITheme` object used as the base theme. When specified, it is deep-merged with `theme`, and the merged result is applied.
     * @since 3.0.0
     */
    applyTheme(theme: ITheme, baseTheme?: ITheme): void;
    private defaultLayoutValue;
    get defaultLayout(): IDocLayout;
    private _layout;
    get layout(): IDocLayout;
    /**
     * Applies a layout configuration to the exported PDF document.
     *
     * A layout defines non-color CSS variables, including spacing, sizing, typography, border radius, and other dimensional variables. To configure colors and shadows, use the [`applyTheme`](#applyTheme) method.
     * @param layout An `IDocLayout` object that specifies layout variables.
     * @param baseLayout An optional `IDocLayout` object used as the base layout. When specified, it is deep-merged with `layout`, and the merged result is applied.
     * @since 3.0.0
     */
    applyLayout(layout: IDocLayout, baseLayout?: IDocLayout): void;
    getItemStyle(question: Question, item: ItemValue, style: {
        choiceText: ITextStyle;
        input: ISelectionInputStyle;
    }): {
        choiceText: ITextStyle;
        input: ISelectionInputStyle;
    };
    private stylesHash;
    getElementStyle<T extends IQuestionStyle | IPanelStyle | IPageStyle = IQuestionStyle>(element: SurveyElement): T;
    private correctBricksPosition;
    private navigationMap;
    afterRenderSurveyElement(element: SurveyElement, bricks: Array<IPdfBrick>): void;
    private renderPanelNavigation;
    private renderNavigation;
    protected renderSurvey(controller: DocController): Promise<void>;
    private createDocController;
    private docControllerValue;
    get docController(): DocController;
    /**
     * An asynchronous method that starts to download the generated PDF file in the web browser.
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/save-completed-forms-as-pdf-files/ (linkStyle))
     * @param fileName *(Optional)* A file name with the ".pdf" extension. Default value: `"survey_result.pdf"`.
     */
    save(fileName?: string): Promise<any>;
    /**
     * An asynchronous method that allows you to get PDF content in different formats.
     *
     * [View Demo](https://surveyjs.io/pdf-generator/examples/convert-pdf-form-blob-base64-raw-pdf-javascript/ (linkStyle))
     *
     * @param type *(Optional)* One of `"blob"`, `"bloburl"`, `"dataurlstring"`. Do not specify this parameter if you want to get raw PDF content as a string value.
     *
     */
    raw(): Promise<string>;
    raw(type: 'arraybuffer'): Promise<ArrayBuffer>;
    raw(type: 'blob'): Promise<Blob>;
    raw(type: 'bloburl'): Promise<URL>;
    raw(type: 'dataurlstring'): Promise<string>;
}