import { Workbook, Worksheet } from 'exceljs';
import { Sheet } from '../../sheet-engine/core';

export interface RawSheetImage {
    src: string;
    nativeCol: number;
    nativeColOff: number;
    nativeRow: number;
    nativeRowOff: number;
    width: number;
    height: number;
    brNativeCol?: number;
    brNativeColOff?: number;
    brNativeRow?: number;
    brNativeRowOff?: number;
}
export declare function extractImagesFromWorksheet(ws: Worksheet, workbook: Workbook): RawSheetImage[];
/**
 * Embed Fortune sheet images into an ExcelJS worksheet.
 * This is the inverse of convertRawImagesToFortuneSheet: converts pixel-based
 * Image objects back to ExcelJS native cell + EMU positioning.
 */
export declare function addFortuneImagesToWorksheet(ws: Worksheet, workbook: Workbook, images: {
    id: string;
    src: string;
    left: number;
    top: number;
    width: number;
    height: number;
}[], sheet: Sheet, defaultColPx: number, defaultRowPx: number): void;
export declare function convertRawImagesToFortuneSheet(rawImages: RawSheetImage[], sheet: Sheet, defaultColPx: number, defaultRowPx: number): {
    id: string;
    src: string;
    left: number;
    top: number;
    width: number;
    height: number;
}[];