import { Filter, IShaderInfo } from '../core/Filter';
import { Image } from '../core/Image';
export declare class Blur extends Filter {
    protected shaders: IShaderInfo[];
    constructor();
    /**
     * Applies Gaussian blur (3x3 kernel) to the image
     * @param image   Image to blur
     * @returns       Blurred image
     */
    blur(image: Image): Image;
}