/// <reference types="node" />
import IpfsStorage from './IpfsStorage';
import { ResponseModel } from '../common/Response';
/**
 * Sidetree IPFS request handler class.
 */
export default class RequestHandler {
    private fetchTimeoutInSeconds;
    /**
     * Instance of IpfsStorage.
     */
    ipfsStorage: IpfsStorage;
    private serviceInfo;
    /**
     * Constructs the Sidetree IPFS request handler.
     * @param fetchTimeoutInSeconds Timeout for fetch request. Fetch request will return `not-found` when timed-out.
     * @param repo Optional IPFS datastore implementation.
     */
    constructor(fetchTimeoutInSeconds: number, repo?: any);
    /**
     * Handles read request
     * @param base64urlEncodedMultihash Content Identifier Hash.
     */
    handleFetchRequest(base64urlEncodedMultihash: string, maxSizeInBytes?: number): Promise<ResponseModel>;
    /**
     * Handles sidetree content write request
     * @param content Sidetree content to write into CAS storage
     */
    handleWriteRequest(content: Buffer): Promise<ResponseModel>;
    /**
     * Handles the get version request.
     */
    handleGetVersionRequest(): Promise<ResponseModel>;
}