import BigNumber from 'bignumber.js';
import Web3 from 'web3';
import { TxResult, CallOptions, SendOptions, address } from '../../src/lib/types';
import { Relayer } from '../../src/modules/Relayer';
import { Contracts } from './Contracts';
export declare class MirrorOracle extends Relayer {
    constructor(contracts: Contracts, web3: Web3);
    getUnderlyingOracleAddress(options?: CallOptions): Promise<address>;
    getUnderlyingOracle(options?: CallOptions): Promise<Relayer>;
    /**
     * Check whether a mirror oracle is synced with its underlying oracle.
     */
    checkSynced(options?: CallOptions): Promise<{
        toAddBitmap: BigNumber;
        toRemoveBitmap: BigNumber;
        barNeedsUpdate: boolean;
    }>;
    /**
     * Check whether a mirror oracle is synced with its underlying oracle.
     *
     * Returns true if the mirror is synced, and false otherwise.
     */
    checkIsSynced(options?: CallOptions): Promise<boolean>;
    /**
     * Check whether a mirror oracle is synced with its underlying oracle.
     */
    checkSyncedDetailed(options?: CallOptions): Promise<{
        signersToAdd: address[];
        signersToRemove: address[];
        barNeedsUpdate: boolean;
    }>;
    /**
     * Set the required number of signers to update the price.
     */
    syncBar(options?: SendOptions): Promise<TxResult>;
}