import { CommitteeIndex, SubcommitteeIndex } from "@lodestar/types";
import { AttDutyAndProof } from "./attestationDuties.js";
import { SyncDutyAndProofs, SyncDutySubnet, SyncSelectionProof } from "./syncCommitteeDuties.js";
/** Sync committee duty associated to a single sub committee subnet */
export type SubcommitteeDuty = {
    duty: SyncDutySubnet;
    selectionProof: SyncSelectionProof["selectionProof"];
};
export declare function groupAttDutiesByCommitteeIndex(duties: AttDutyAndProof[]): Map<CommitteeIndex, AttDutyAndProof[]>;
export declare function groupSyncDutiesBySubcommitteeIndex(duties: SyncDutyAndProofs[]): Map<SubcommitteeIndex, SubcommitteeDuty[]>;
/**
 * Given a list of indexes of a sync committee returns the list of unique subnet numbers the indexes are part of
 */
export declare function syncCommitteeIndicesToSubnets(indexesInCommittee: number[]): number[];
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