import { CachedBeaconStateAltair, CachedBeaconStateBellatrix } from "../types.js";
/**
 * Upgrade a state from altair to bellatrix.
 */
export declare function upgradeStateToBellatrix(stateAltair: CachedBeaconStateAltair): CachedBeaconStateBellatrix;
//# sourceMappingURL=upgradeStateToBellatrix.d.ts.map