import { StickerPrinter, StickerElement } from '../../core/src/index.ts';
import { DesignerLayout } from './types';
export declare class CanvasManager {
    readonly canvas: HTMLCanvasElement;
    readonly overlay: HTMLDivElement;
    readonly printer: StickerPrinter;
    pxPerUnit: number;
    isDragging: boolean;
    snapToGrid: boolean;
    private readonly GRID_SIZE;
    constructor(canvas: HTMLCanvasElement, overlay: HTMLDivElement, printer: StickerPrinter);
    render(layout: DesignerLayout, sampleData: Record<string, any>): Promise<void>;
    updateOverlay(elements: StickerElement[], selectedIds: Set<string>, onSelect: (id: string, ctrlKey: boolean) => void, onDragStart: (e: MouseEvent, el: StickerElement, item: HTMLElement) => void, onResizeStart: (e: MouseEvent, el: StickerElement, item: HTMLElement) => void): void;
    startDrag(e: MouseEvent, primaryEl: StickerElement, item: HTMLElement, companions: StickerElement[], onMove: () => void, onComplete: () => void): void;
    startResize(e: MouseEvent, el: StickerElement, item: HTMLElement, onMove: () => void, onComplete: () => void): void;
}