import { StatRecord } from './stat-record';
import { Periods } from '../utils/periods';
export declare class StatsHandler {
    readonly filePath: string;
    constructor(filePath: string);
    writeStats(stat: StatRecord): void;
    readStats(): StatRecord[];
    readLine(line: string): StatRecord;
    getAllUsers(stats?: StatRecord[]): string[];
    getUsersCount(stats?: StatRecord[]): number;
    getUsersCountInRange(from: Date, to: Date): number;
    getUsersCountWithShift(shift: Periods): number;
    getUsersLastWeek(): number;
    getUsersLastMonth(): number;
    getNewUsersCount(shift: Periods): number;
    getNewUsersLastWeek(): number;
    getNewUsersLastMonth(): number;
    getActionsCount(action: string, shift?: Periods): number;
    getActionsLastWeek(action: string): number;
    getActionsLastMonth(action: string): number;
}