import { IOptions } from '..';
import { JscpdEventEmitter } from '../events';
import { IListener } from '../interfaces/listener.interface';
export declare class StatisticListener implements IListener {
    private options;
    private static getDefaultStatistic;
    private statistic;
    constructor(options: IOptions);
    attach(eventEmitter: JscpdEventEmitter): void;
    private cloneFound;
    private matchSource;
    private saveStatistic;
    private updatePercentage;
    private calculatePercentage;
}