import { ChainForkConfig } from "@lodestar/config";
import { LoggerVc } from "../util/index.js";
import { ValidatorStore } from "./validatorStore.js";
export type ExternalSignerOptions = {
    urls?: string[];
    fetch?: boolean;
    fetchInterval?: number;
};
/**
 * This service is responsible for keeping the keys managed by the connected
 * external signer and the validator client in sync by adding newly discovered keys
 * and removing no longer present keys on external signer from the validator store.
 */
export declare function pollExternalSignerPubkeys(config: ChainForkConfig, logger: LoggerVc, signal: AbortSignal, validatorStore: ValidatorStore, opts?: ExternalSignerOptions): void;
//# sourceMappingURL=externalSignerSync.d.ts.map