export interface FileInfo {
    cid: string;
    name: string;
    size: number;
    type: 'file' | 'directory';
    pinned: boolean;
}
export interface PinInfo {
    cid: string;
    type: string;
}
/**
 * Add a file or directory to IPFS.
 */
export declare function addFile(filePath: string): Promise<{
    cid: string;
    size: number;
}>;
/**
 * Retrieve a file from IPFS by CID.
 */
export declare function getFile(cid: string, outputPath?: string): Promise<string>;
/**
 * Download a file from IPFS to a temporary location.
 * Used for web downloads to preserve binary integrity.
 */
export declare function getFileToTemp(cid: string): Promise<string>;
/**
 * Read file content from IPFS (like cat).
 */
export declare function catFile(cid: string): string;
/**
 * Pin a CID to ensure it persists in the local node.
 */
export declare function pinFile(cid: string): void;
/**
 * Unpin a CID from the local node.
 */
export declare function unpinFile(cid: string): void;
/**
 * List all pinned CIDs.
 */
export declare function listPins(): PinInfo[];
/**
 * Get detailed information about a CID.
 */
export declare function getFileInfo(cid: string): FileInfo | null;
/**
 * List files in the MFS (Mutable File System) root.
 */
export declare function listMFS(mfsPath?: string): {
    name: string;
    size: number;
    cid: string;
    type: string;
}[];
/**
 * Remove a file from MFS.
 */
export declare function removeMFSFile(mfsPath: string): void;
/**
 * Format bytes to human-readable string.
 */
export declare function formatBytes(bytes: number): string;
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