import type { LinearGradient, RadialGradient } from 'modern-idoc';
import type { Texture2DProperties } from './Texture2D';
import { Texture2D } from './Texture2D';
export declare class GradientTexture extends Texture2D {
    static test(value: string): boolean;
    protected static _fitTextureSize(width: number, height: number): {
        width: number;
        height: number;
    };
    static linearGradient(linearGradient: LinearGradient, width: number, height: number): Texture2DProperties;
    constructor(gradient: LinearGradient | RadialGradient, width: number, height: number);
}