import { IDidStore } from '@ew-did-registry/did-store-interface';
import { IpfsClientOptions } from './ipfs.types';
/**
 * Implements decentralized storage in IPFS
 */
export declare class DidStore implements IDidStore {
    private baseUrl;
    private headers?;
    private apiPath;
    private readonly DEFAULT_GET_TIMEOUT;
    private readonly DEFAULT_IPFS_API_PATH;
    private params;
    /**
     * @param baseUrl Base url of IPFS API endpoint
     * @param opts Connection options of endpoint exposing IPFS API. When connecting to IPFS gateway only `get` method should be used
     */
    constructor(baseUrl: string | URL, opts?: IpfsClientOptions);
    /**
     * @param claim stringified content
     */
    save(claim: string): Promise<string>;
    /**
     * Looks up content identified by `cid`. If no content found during `timeout`, then `ContentNotFound` error is thrown.
     * @param cid CID of the content
     * @param timeout time limit for getting response, milliseconds
     * @returns stringified content
     */
    get(cid: string, timeout?: number): Promise<string>;
    delete(cid: string): Promise<boolean>;
    private add;
    private request;
    private encodeParams;
}