import { CachedBeaconStateAllForks, EpochTransitionCache } from "../types.js";
/**
 * Persist blockRoots and stateRoots to historicalRoots.
 *
 * PERF: Very low (constant) cost. Most of the HistoricalBatch should already be hashed.
 */
export declare function processHistoricalRootsUpdate(state: CachedBeaconStateAllForks, cache: EpochTransitionCache): void;
//# sourceMappingURL=processHistoricalRootsUpdate.d.ts.map