import BucketHelper from "./bucket-helper";
import { Options, CID } from "ipfs-http-client";
export interface IPin {
    pinAsset(bucketName: string, filePath: string, data: string): Promise<{
        cid: CID;
        fileUri: string;
    } | null>;
}
/**
 * A class that pins asset to GCP storage and IPFS client
 * @class Pin
 * @implements {IPin} - Pin class interface
 * @property {IPFSHTTPClient} client - Ipfs client options
 */
declare class Pin extends BucketHelper implements IPin {
    /** @private */
    private client;
    /**
     * @param {string} _credentials - Google Cloud Storage credentials
     * @param {object} _clientOptions - IPFS client options
     */
    constructor(_baseUri: string, _credentials: any, _clientOptions?: Options);
    /**
     * Pins asset to GCP storage on top of IPFS
     * @param {string} bucketName - Google Cloud Storage bucket name
     * @param {string} filePath - Path in the Google Cloud Storage bucket
     * @param {string} data - Object or buffer data of file
     * @returns {any} Result of pinned asset
     */
    pinAsset(bucketName: string, filePath: string, data: any): Promise<{
        cid: CID;
        fileUri: string;
    } | null>;
}
export default Pin;