import { PublicKey } from "@chainsafe/blst";
import { PubkeyIndexMap } from "@chainsafe/pubkey-index-map";
import { phase0 } from "@lodestar/types";
export type Index2PubkeyCache = PublicKey[];
/**
 * Checks the pubkey indices against a state and adds missing pubkeys
 *
 * Mutates `pubkey2index` and `index2pubkey`
 *
 * If pubkey caches are empty: SLOW CODE - 🐢
 */
export declare function syncPubkeys(validators: phase0.Validator[], pubkey2index: PubkeyIndexMap, index2pubkey: Index2PubkeyCache): void;
//# sourceMappingURL=pubkeyCache.d.ts.map