import type { CSSProperties } from '../utils/css-engine';
export declare class EffectsEngine {
    private element;
    private styleId;
    constructor(element: HTMLElement);
    shadow(value: string): this;
    shadowSm(): this;
    shadowMd(): this;
    shadowLg(): this;
    shadowXl(): this;
    shadowInner(): this;
    textShadow(value: string): this;
    textShadowSm(): this;
    textShadowMd(): this;
    textShadowLg(): this;
    blur(value: string): this;
    brightness(value: number): this;
    contrast(value: number): this;
    grayscale(value?: number): this;
    backdropBlur(value: string): this;
    before(styles: CSSProperties): this;
    after(styles: CSSProperties): this;
    scale(value: number): this;
    rotate(value: string): this;
    translate(x: string, y: string): this;
    gradientLinear(direction: string, ...colors: string[]): this;
    gradientRadial(...colors: string[]): this;
    clipPath(value: string): this;
    clipCircle(radius: string): this;
    clipPolygon(...points: string[]): this;
    private addPseudoRule;
}
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