declare const _default: Polyfills;
export default _default;
/**
 * polyfills.js
 * @createdOn: 08-Aug-2017
 * @author: SmartChartsNXT
 * @description: Apply polyfills for older browsers and unsupported methods.
 */
declare class Polyfills {
    performanceNowSHIM(): any;
    requestAnimFrameSHIM(): void;
    requestNextAnimationFrameSHIM(): void;
    /**
     * Maintain a list of event listener that attached with each node.
     * So that we can remove all listener handler before removing the node
     * to avoid possible momory leak.
     * @return {void}
     */
    supportEventListenerList(): void;
}