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;
}