export interface LegacyRepData {
    balances: Array<string>;
    allowanceOwners: Array<string>;
    allowanceSpenders: Array<string>;
}
export declare class LegacyRepMigrator {
    private readonly repContract;
    private readonly legacyRepContract;
    private legacyRepData;
    private unmigratedLegacyRepData;
    private chunkedBalances;
    private chunkedAllowanceOwners;
    private chunkedAllowanceSpenders;
    private readonly chunkSize;
    private readonly sleepTimeInMS;
    private readonly parallelTransactions;
    private constructor();
    private initialize();
    static create: (legacyRepData: LegacyRepData, repContractAddress: string, txSize: number) => Promise<LegacyRepMigrator>;
    migrateLegacyRep(): Promise<void>;
    private migrateApprovals();
    private migrateAllowances(owners, spenders);
    private migrateBalances();
    private migrateOwners(owners);
    private verifyBalances();
    private verifyBalance(owner);
    private chunk(items);
    private getUnMigratedLegacyData(legacyRepData);
    private addToBalancesIfUnmigrated(address);
    private addToAllowancesIfUnmigrated(owner, spender);
}