import { MetadataURIOrObject } from "../core/types";
import { IStorage } from "../interfaces/IStorage";
import FileOrBuffer from "../types/FileOrBuffer";
/**
 *
 * @param ipfsUrl - the ipfs:// uri
 * @param gatewayUrl - the gateway url
 * @returns the fully formed IPFS url
 * @internal
 */
export declare function replaceIpfsWithGateway(ipfsUrl: string, gatewayUrl: string): string;
export declare function recursiveResolveGatewayUrl(json: any, storage: IStorage): any;
/**
 * A helper function to upload arbitrary data to IPFS and return the resulting IPFS uri.
 * @param data - stringified JSON || File
 * @param contractAddress - (Optional) the contract address to associate the data with
 * @param signerAddress - (Optional) the wallet address of the actor that is uploading the file
 * @returns The `ipfs://<hash>` uri of the uploaded file
 * @public
 */
export declare function uploadToIPFS(data: string | File | FileOrBuffer, contractAddress?: string, signerAddress?: string): Promise<string>;
/**
 * @internal
 */
export declare function uploadMetadata(metadata: MetadataURIOrObject, contractAddress?: string, signerAddress?: string): Promise<string>;