import BlockchainTimeModel from '../../lib/core/models/BlockchainTimeModel';
import IBlockchain from '../../lib/core/interfaces/IBlockchain';
import TransactionModel from '../../lib/common/models/TransactionModel';
/**
 * Mock Blockchain class for testing.
 */
export default class MockBlockchain implements IBlockchain {
    /** Stores each hash given in write() method. */
    hashes: string[];
    write(anchorString: string): Promise<void>;
    read(sinceTransactionNumber?: number, _transactionTimeHash?: string): Promise<{
        moreTransactions: boolean;
        transactions: TransactionModel[];
    }>;
    getFirstValidTransaction(_transactions: TransactionModel[]): Promise<TransactionModel | undefined>;
    private latestTime?;
    readonly approximateTime: BlockchainTimeModel;
    /**
     * Hardcodes the latest time to be returned.
     */
    setLatestTime(time: BlockchainTimeModel): void;
}