import { System } from '@lastolivegames/becsy';
import { GPUResource } from '../components';
/**
 * Usually the first built-in system to run.
 * It will create a new device and swap chain for each canvas.
 */
export declare class SetupDevice extends System {
    #private;
    private readonly canvases;
    constructor();
    private addGPUResource;
    getOffscreenGPUResource(): GPUResource;
    /**
     * Resize the offscreen canvas for partial export (e.g. export selected nodes to PNG).
     * Call with desired output dimensions in pixels (for 1:1 export use logical width/height).
     */
    resizeOffscreen(pixelWidth: number, pixelHeight: number): void;
    execute(): void;
    finalize(): void;
    private createGPUResource;
    private destroyCanvas;
}