import { CachedBeaconStateGloas, EpochTransitionCache } from "../types.js";
/**
 * Update the `ptc_window` field in the beacon state by shifting out the oldest epoch's
 * PTC entries and appending newly computed entries for the next lookahead epoch.
 * Stashes the computed PTCs in the transition cache for finalProcessEpoch to shift
 * into the epoch cache without reading from state.
 *
 * Spec: https://github.com/ethereum/consensus-specs/blob/v1.7.0-alpha.4/specs/gloas/beacon-chain.md#new-process_ptc_window
 */
export declare function processPtcWindow(state: CachedBeaconStateGloas, cache: EpochTransitionCache): void;
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