import { DomainType, Epoch, Root, Version, phase0 } from "@lodestar/types";
/**
 * Return the domain for the [[domainType]] and [[forkVersion]].
 */
export declare function computeDomain(domainType: DomainType, forkVersion: Version, genesisValidatorRoot: Root): Uint8Array;
/**
 * Return the ForkVersion at an epoch from a Fork type
 */
export declare function getForkVersion(fork: phase0.Fork, epoch: Epoch): Version;
/**
 * Used primarily in signature domains to avoid collisions across forks/chains.
 */
export declare function computeForkDataRoot(currentVersion: Version, genesisValidatorsRoot: Root): Uint8Array;
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