declare module 'ddmt-tool' {
    // Tool/animate.js
    export function animateStart(event: HTMLElement, className: string, forceExecute?: boolean): void;
    export function setClassVar(varName: string, value: string): void;
    export function getClassVar(varName: string): String;

    // Tool/number.js
    export function randomNum(minNum: number): number;
    export function randomNum(minNum: number, maxNum: number): number;
    export function nextArray(arr: any[], index: number): any[];
    
}