import { Counter } from "../Counter";
import { Metric, MetricId } from "../Metric";
import { PushMetricRegistry } from "../push/PushMetricRegistry";
import { Timer } from "../Timer";
import { Scheduler } from "../../scheduler/Scheduler";
export declare abstract class FlushMetricRegistry extends PushMetricRegistry {
    constructor(scheduler: Scheduler, pushIntervalMillis: number);
    createCounter(id: MetricId): Counter;
    createTimer(id: MetricId): Timer;
    publish(sync?: boolean): void;
    protected abstract flushMetrics(metrics: Metric[], sync: boolean): void;
}