import { ApiClient, routes } from "@lodestar/api";
import { ChainForkConfig } from "@lodestar/config";
import { Slot } from "@lodestar/types";
import { Metrics } from "../metrics.js";
import { PubkeyHex } from "../types.js";
import { IClock, LoggerVc } from "../util/index.js";
import { ChainHeaderTracker } from "./chainHeaderTracker.js";
import { SyncingStatusTracker } from "./syncingStatusTracker.js";
import { ValidatorStore } from "./validatorStore.js";
export declare class PtcDutiesService {
    private readonly config;
    private readonly logger;
    private readonly api;
    private readonly clock;
    private readonly validatorStore;
    private readonly metrics;
    /** Maps a validator index to its PTC duty for each epoch. */
    private readonly dutiesByIndexByEpoch;
    constructor(config: ChainForkConfig, logger: LoggerVc, api: ApiClient, clock: IClock, validatorStore: ValidatorStore, chainHeadTracker: ChainHeaderTracker, syncingStatusTracker: SyncingStatusTracker, metrics: Metrics | null);
    removeDutiesForKey(pubkey: PubkeyHex): void;
    /** Returns all PTC duties for the given slot. */
    getDutiesAtSlot(slot: Slot): routes.validator.PtcDuty[];
    private runDutiesTasks;
    private pollPtcDuties;
    private pollPtcDutiesForEpoch;
    private onNewHead;
    private handlePtcDutiesReorg;
    /** Run once per epoch to prune duties map. */
    private pruneOldDuties;
}
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