import { S3ClientConfig } from "@aws-sdk/client-s3";
import { IDidStore } from "@ew-did-registry/did-store-interface";
/**
 * Implements decentralized storage in S3 Bucket
 */
export declare class DidStore implements IDidStore {
    private s3;
    private bucket;
    constructor(bucket: string, s3Config: S3ClientConfig);
    private computeCid;
    /**
     * @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(uri: string): Promise<string>;
    delete(uri: string): Promise<boolean>;
}