import * as THREE from "three";
import type { ISourceSpriteOption } from "@nrelaxed-ui/keyframes";
import type { IMarkConstructorOption } from "./types";
export declare class Mark extends THREE.Sprite {
    readonly type = "Mark";
    private keyframes?;
    private keyframesCanvas?;
    constructor(options: IMarkConstructorOption);
    static spriteLoading(options: ISourceSpriteOption): any;
    static normalSpriteLoading(options: ISourceSpriteOption): any;
    render(clock: number): void;
    update(img: string): void;
}