import { TgdVec2 } from "../math";
import { TgdFilter } from "./filter";
export interface TgdFilterBlurOptions {
    size: number;
    /**
     * Can be an angle expressed in degrees.
     *  * __0__: horizontal blur.
     *  * __90__: vertical blur.
     */
    direction: Readonly<TgdVec2> | number;
    strength: number;
}
export declare class TgdFilterBlur extends TgdFilter {
    strength: number;
    constructor(options?: Partial<TgdFilterBlurOptions>);
}
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