import { AgentWalrusConfig } from "../../../config";
import { State } from "../../../domain";
import { Stats } from "../../../domain/stats";
import { EventForwarder } from "../../../eventDefinitions";
import { Callback } from "../base";
import { ReportAnalyser } from "./report";
export declare class StatsCallback extends Callback {
    analyser: ReportAnalyser;
    stats: Stats;
    interval?: number;
    SAMPLE_INTERVAL_MS: number;
    constructor(state: State, eventForwarder: EventForwarder, config: AgentWalrusConfig);
    runOnce(): Promise<void>;
    attach(): void;
    detach(): void;
}