import * as formatters2 from './tools/formatters';
import { PrinterLanguage } from './languages/base-printer-language';
/**
 * Used by {@link Receipt} to print empty lines
 * @param printer - The printer language to use
 * @param chunk - The empty chunk to print
 */
export declare function procEmpty(printer: PrinterLanguage, chunk: formatters2.empty): void;
/**
 * Used by {@link Receipt} to print a horizontal ruler
 * @param printer - The printer language to be used
 * @param width - How many characters the ruler should be
 */
export declare function procRuler(printer: PrinterLanguage, width?: number): void;
/**
 * Used by {@link Receipt} to print text row on the page.
 * It can also be used to handle direct ZPL commands.
 * When the text contains special characters (like arabic), it is preferred to use {@link procLine} instead
 * @param printer - The printer language to use
 * @param chunk - The text chunk to print
 * @param maxWidth - The max width of the text to print. This is not used for now
 *
 */
export declare function procText(printer: PrinterLanguage, chunk: formatters2.text, maxWidth?: number): void;
/**
 * Used by {@link Receipt} to print a line of text, by rendering each word separately.
 * It can also be used to handle direct ZPL commands.
 * This method is preferred over {@link procText} when the text contains special characters (like arabic)
 * @param printer - The printer language to use
 * @param chunk - The line chunk to print
 */
export declare function procLine(printer: PrinterLanguage, chunk: formatters2.line): void;
/**
 * Used by {@link Receipt} to generate a list of columns from provided data
 * @param printer - The printer language to use
 * @param chunk - The columns to print
 *
 */
export declare function procColumns(printer: PrinterLanguage, chunk: formatters2.columns): string;
/**
 * Used by {@link Receipt} to merge several images into a single image
 * @param printer - The printer language to use
 * @param chunk - The images to print
 *
 */
export declare function procImageRow(printer: PrinterLanguage, chunk: formatters2.imageRow): Promise<void>;
/**
 * Used by {@link Receipt} to print a grid
 * @param printer - The printer language to use
 * @param chunk - the grid to print
 * @param overrideWidth - The width of the grid. If not specified, the default page width is used
 */
export declare function procGrid(printer: PrinterLanguage, chunk: formatters2.grid, overrideWidth?: number): void;
/**
 * Used by {@link Receipt} to print properties
 * @param printer - The printer language to use
 * @param chunk - The properties to print
 */
export declare function procProps(printer: PrinterLanguage, chunk: formatters2.properties): void;
/**
 * Used by {@link Receipt} to print an image
 * @param printer - The printer language to use
 * @param chunk - The image to print
 */
export declare function procImage(printer: PrinterLanguage, chunk: formatters2.image): void;
/**
 * Used by {@link Receipt} to print barcodes using ZPL commands
 * @param printer - The printer language to use
 * @param chunk - The barcode chunk to print
 */
export declare function procBarcode(printer: PrinterLanguage, chunk: formatters2.barcode): void;
/**
 * Used by {@link Receipt} to change printer configuration
 * @param printer - The printer language to use
 * @param chunk - The configuration to apply
 */
export declare function procConfig(printer: PrinterLanguage, chunk: formatters2.ConfigurationChunk): void;
export declare function procTemplate(printer: PrinterLanguage, chunk: formatters2.template): void;