import { ValidatorIndex, altair } from "@lodestar/types";
import { IBeaconChain } from "../interface.js";
/**
 * Spec v1.1.0-beta.2
 */
export declare function validateSyncCommitteeGossipContributionAndProof(chain: IBeaconChain, signedContributionAndProof: altair.SignedContributionAndProof, skipValidationKnownParticipants?: boolean): Promise<{
    syncCommitteeParticipantIndices: ValidatorIndex[];
}>;
//# sourceMappingURL=syncCommitteeContributionAndProof.d.ts.map