import { PointLocation } from "../../../ImageViewer/Models";
import { BasePaintObject } from "./BasePaintObject";
import { PaintObjectParameters } from "../../../ImageViewer/Layers";
export declare class RectanglePaintObject extends BasePaintObject<'rectangle'> {
    borderRadius: number;
    constructor(position: PointLocation);
    private roundRectPath;
    draw(destCtx: CanvasRenderingContext2D, mainCtx: CanvasRenderingContext2D, backCtx: CanvasRenderingContext2D, params?: PaintObjectParameters): Promise<void>;
    /**
     * Sets a property by name, supporting "borderRadius"
     * @param propertyName - Name of the property to set
     * @param value - New value to assign
     * @returns true if the property was handled, otherwise delegates to base class
     */
    setProperty(propertyName: any, value: any): boolean;
}