import { TransformMatrix } from '../helpers.js';
import { IDMLGraphicContext } from './Graphic.js';
export type GradientType = 'linear' | 'radial';
export type GradientColorStop = {
    colorId: string;
    position: number;
    midpoint?: number;
};
export declare class Gradient {
    id: string;
    private type;
    private colorStops;
    private context;
    private length?;
    private angle?;
    private transform;
    constructor(id: string, type: GradientType, colorStops: GradientColorStop[], options: {
        length?: number;
        angle?: number;
        transform: TransformMatrix;
    }, context: IDMLGraphicContext);
    getType(): GradientType;
    getColorStops(): {
        color: import("./Color.js").Color | undefined;
        position: number;
        midpoint: number | undefined;
    }[];
    getAngle(): number | undefined;
    getLength(): number | undefined;
    serialize(): import("../util/xml.js").ElementNode;
    static parseElement(element: Element, context: IDMLGraphicContext): Gradient;
}
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