import { PrintOptions } from './print-options';
import * as i0 from "@angular/core";
export declare class PrintBase {
private nonce?;
private _printStyle;
private _styleSheetFile;
constructor(nonce?: string | null | undefined);
/**
* Sets the print styles based on the provided values.
*
* @param {Object} values - Key-value pairs representing print styles.
* @protected
*/
protected setPrintStyle(values: {
[key: string]: {
[key: string]: string;
};
}): void;
/**
*
*
* @returns the string that create the stylesheet which will be injected
* later within tag.
*
* -join/replace to transform an array objects to css-styled string
*/
returnStyleValues(): string;
/**
* @returns string which contains the link tags containing the css which will
* be injected later within tag.
*
*/
private returnStyleSheetLinkTags;
/**
* Sets the style sheet file based on the provided CSS list.
*
* @param {string} cssList - CSS file or list of CSS files.
* @protected
*/
protected setStyleSheetFile(cssList: string): void;
/**
* Updates the default values for input elements.
*
* @param {HTMLCollectionOf} elements - Collection of input elements.
* @private
*/
private updateInputDefaults;
/**
* Updates the default values for select elements.
*
* @param {HTMLCollectionOf} elements - Collection of select elements.
* @private
*/
private updateSelectDefaults;
/**
* Updates the default values for textarea elements.
*
* @param {HTMLCollectionOf} elements - Collection of textarea elements.
* @private
*/
private updateTextAreaDefaults;
/**
* Converts a canvas element to an image and returns its HTML string.
*
* @param {HTMLCanvasElement} element - The canvas element to convert.
* @returns {string} - HTML string of the image.
* @private
*/
private canvasToImageHtml;
/**
* Includes canvas contents in the print section via img tags.
*
* @param {HTMLCollectionOf} elements - Collection of canvas elements.
* @private
*/
private updateCanvasToImage;
/**
* Retrieves the HTML content of a specified printing section.
*
* @param {string} printSectionId - Id of the printing section.
* @returns {string | null} - HTML content of the printing section, or null if not found.
* @private
*/
private getHtmlContents;
/**
* Retrieves the HTML content of elements with the specified tag.
*
* @param {keyof HTMLElementTagNameMap} tag - HTML tag name.
* @returns {string} - Concatenated outerHTML of elements with the specified tag.
* @private
*/
private getElementTag;
/**
* Prints the specified content using the provided print options.
*
* @param {PrintOptions} printOptions - Options for printing.
* @public
*/
protected print(printOptions: PrintOptions): void;
static ɵfac: i0.ɵɵFactoryDeclaration;
static ɵprov: i0.ɵɵInjectableDeclaration;
}
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