import { Nullable } from '@angular-ru/cdk/typings';
import { LoggerLevel, TimerInfo } from '../interfaces/logger.external';
import { LoggerService } from '../logger.service';
import { ConsoleService } from './console.service';
import * as i0 from "@angular/core";
export declare class TimerFactory {
    private readonly console;
    private readonly DIGITS_TO_FIX;
    private readonly SECONDS;
    constructor(console: ConsoleService);
    startTime(title: string, level: LoggerLevel): Nullable<TimerInfo>;
    endTime(info: TimerInfo, level: LoggerLevel, isMillisecond: boolean, logger: LoggerService): void;
    private ensureTime;
    static ɵfac: i0.ɵɵFactoryDeclaration<TimerFactory, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TimerFactory>;
}
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