import { Root, UintNum64 } from "@lodestar/types";
import { Bucket } from "../buckets.js";
import { LodestarValidatorDatabaseController } from "../types.js";
/**
 * Store MetaData of validator.
 */
export declare class MetaDataRepository {
    protected db: LodestarValidatorDatabaseController;
    protected bucket: Bucket;
    private readonly bucketId;
    private readonly dbReqOpts;
    constructor(db: LodestarValidatorDatabaseController);
    getGenesisValidatorsRoot(): Promise<Root | null>;
    setGenesisValidatorsRoot(genesisValidatorsRoot: Root): Promise<void>;
    getGenesisTime(): Promise<UintNum64 | null>;
    setGenesisTime(genesisTime: UintNum64): Promise<void>;
    private encodeKey;
}
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