import { ICpuTimes } from '../Utils/SystemUsage';
import MetricsSenderLoader from './MetricsSenderLoader';
export interface IStartMetrics {
    timestamp: number;
    cpu: ICpuTimes;
}
export interface ITimesMetrics {
    requestDuration: number;
    userTime: number;
    kernelTime: number;
}
export interface IMetricsFields {
    [key: string]: any;
}
export default class Metrics {
    private _loader;
    constructor(_loader: MetricsSenderLoader);
    close(): Promise<void>;
    sendProcessMetrics(timeData: ITimesMetrics, topologyId?: string, nodeId?: string, correlationId?: string): Promise<boolean>;
    sendCurlMetrics(timeData: ITimesMetrics, nodeId?: string, correlationId?: string, user?: string, appKey?: string): Promise<boolean>;
    static getCurrentMetrics(): IStartMetrics;
    static getTimes(startMetrics: IStartMetrics): ITimesMetrics;
}