/**
 * @description: 请严格要求 svg 的 viewBox，若设计产出的 svg 不是此规格，请叫其修改为 '0 0 1024 1024'
 */
import { Group, type ImageStyleProps } from '@antv/g';
import { CustomImage } from '../../engine';
export interface GuiIconCfg extends Omit<ImageStyleProps, 'fill'> {
    readonly name: string;
    readonly fill?: string | null;
}
/**
 * 使用 iconfont 上的 svg 来创建 Icon
 */
export declare class GuiIcon extends Group {
    static type: string;
    iconImageShape: CustomImage;
    private cfg;
    constructor(cfg: GuiIconCfg);
    getCfg(): GuiIconCfg;
    getImage(name: string, cacheKey: string, fill?: string | null): Promise<HTMLImageElement>;
    /**
     * 1. https://xxx.svg
     * 2. http://xxx.svg
     * 3. //xxx.svg
     */
    isOnlineLink: (src: string) => boolean;
    private render;
    setImageAttrs(attrs: Partial<{
        name: string;
        fill: string | null;
    }>): void;
    /**
     * https://github.com/antvis/S2/issues/2772
     * G 6.0 如果是多图层, 需要手动全部隐藏, 直接隐藏父容器 Group 还不行, 或者使用 icon.show()
     * https://github.com/antvis/G/blob/277abff24936ef6f7c43407a16c5bc9260992511/packages/g-lite/src/display-objects/DisplayObject.ts#L853
     */
    toggleVisibility(visible: boolean): void;
}