import { SpriteMaterial } from "three";
export declare const spriteSheetPlaybackSystem: {
    add: ((item: SpriteMaterial, initData?: {
        x: number;
        y: number;
        columns: number;
        rows: number;
        frame: number;
        length: number;
        loop: boolean | undefined;
    } | undefined) => false | import("@lincode/promiselikes").Cancellable) | ((item: SpriteMaterial, initData?: {
        x: number;
        y: number;
        columns: number;
        rows: number;
        frame: number;
        length: number;
        loop: boolean | undefined;
    } | undefined) => boolean);
    delete: ((item: SpriteMaterial) => false | import("@lincode/promiselikes").Cancellable | undefined) | ((item: SpriteMaterial) => boolean);
};