import { NativeMetricSender } from '../NativeMetricSender';
import { Logger } from '@flxbl-io/sfp-logger';
export declare class NewRelicMetricSender extends NativeMetricSender {
    constructor(logger: Logger);
    private nrMetricClient;
    initialize(apiHost: string, apiKey: string): void;
    sendGaugeMetric(metric: string, value: number, tags: string[] | {
        [key: string]: string;
    }): void;
    sendCountMetric(metric: string, tags: string[] | {
        [key: string]: string;
    }): void;
}