import DownloadManager from './DownloadManager';
import IBatchWriter from './interfaces/IBatchWriter';
import IBlockchain from './interfaces/IBlockchain';
import ICas from './interfaces/ICas';
import Config from './models/Config';
import IOperationProcessor from './interfaces/IOperationProcessor';
import IOperationStore from './interfaces/IOperationStore';
import IRequestHandler from './interfaces/IRequestHandler';
import ITransactionProcessor from './interfaces/ITransactionProcessor';
import IVersionManager from './interfaces/IVersionManager';
import Resolver from './Resolver';
/**
 * Defines a protocol version and its starting blockchain time.
 */
export interface ProtocolVersionModel {
    /** The inclusive starting logical blockchain time that this protocol applies to. */
    startingBlockchainTime: number;
    version: string;
}
/**
 * The class that handles the loading of different versions of protocol codebase.
 */
export default class VersionManager implements IVersionManager {
    private config;
    private protocolVersionsReverseSorted;
    private batchWriters;
    private operationProcessors;
    private requestHandlers;
    private transactionProcessors;
    private protocolVersionMetadatas;
    constructor(config: Config, protocolVersions: ProtocolVersionModel[]);
    /**
     * Loads all the versions of the protocol codebase.
     */
    initialize(blockchain: IBlockchain, cas: ICas, downloadManager: DownloadManager, operationStore: IOperationStore, resolver: Resolver): Promise<void>;
    /**
     * Gets the corresponding version of the `IBatchWriter` based on the given blockchain time.
     */
    getBatchWriter(blockchainTime: number): IBatchWriter;
    /**
     * Gets the corresponding version of the `IOperationProcessor` based on the given blockchain time.
     */
    getOperationProcessor(blockchainTime: number): IOperationProcessor;
    /**
     * Gets the corresponding version of the `IRequestHandler` based on the given blockchain time.
     */
    getRequestHandler(blockchainTime: number): IRequestHandler;
    /**
     * Gets the corresponding version of the `TransactionProcessor` based on the given blockchain time.
     */
    getTransactionProcessor(blockchainTime: number): ITransactionProcessor;
    /**
     * Gets the corresponding protocol version string given the blockchain time.
     */
    private getVersionString;
    private loadDefaultExportsForVersion;
}