import { Metric, Fields } from '../index';
export declare namespace Counter {
    interface Options {
        autoreset?: boolean;
    }
}
export declare class Counter implements Metric {
    private count?;
    private fromTime;
    private options;
    _init(options: Counter.Options): void;
    inc(n?: number): void;
    dec(n?: number): void;
    reset(n?: number): void;
    _read(): Fields | undefined;
}