import { Type } from "@chainsafe/ssz";
import { BLSPubkey, Epoch } from "@lodestar/types";
import { Bucket } from "../../buckets.js";
import { LodestarValidatorDatabaseController } from "../../types.js";
export interface SlashingProtectionLowerBound {
    minSourceEpoch: Epoch;
    minTargetEpoch: Epoch;
}
/**
 * Manages validator db storage of the minimum source and target epochs required of a validator
 * attestation.
 */
export declare class AttestationLowerBoundRepository {
    protected db: LodestarValidatorDatabaseController;
    protected type: Type<SlashingProtectionLowerBound>;
    protected bucket: Bucket;
    private readonly bucketId;
    private readonly dbReqOpts;
    constructor(db: LodestarValidatorDatabaseController);
    get(pubkey: BLSPubkey): Promise<SlashingProtectionLowerBound | null>;
    set(pubkey: BLSPubkey, value: SlashingProtectionLowerBound): Promise<void>;
    private encodeKey;
}
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