import { StorageTypes } from '@requestnetwork/types';
import { IpfsOptions } from './ipfs-manager';
export declare class IpfsStorage implements StorageTypes.IIpfsStorage {
    private ipfsManager;
    private logger;
    constructor(options?: IpfsOptions);
    initialize(): Promise<void>;
    /**
     * Add the content to ipfs
     * To be used only in case of persisting the hash on ethereum outside the storage
     *
     * @param content Content to add into the storage
     * @returns Promise resolving id used to retrieve the content
     */
    ipfsAdd(data: string): Promise<StorageTypes.IIpfsMeta>;
    getSize(ipfsHash: string): Promise<number>;
    /**
     * Gets current configuration
     */
    getConfig(): Promise<StorageTypes.IIpfsConfig>;
    /**
     * Verify the ipfs node (connectivity and network)
     * Check if the node is reachable and if the list of bootstrap nodes is correct
     *
     * @returns nothing but throw if the ipfs node is not reachable or in the wrong network
     */
    private checkIpfsNode;
    static hasRequiredBootstrapNodes(actualList: string[]): boolean;
}
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