/**
 *
 * This is the top level data structure for in memory data structures,
 * and allows converting from on-disk v4 and v3 Jupyter Notebooks
 *
 */
import * as v3 from "./v3";
import * as v4 from "./v4";
import { ImmutableNotebook } from "./structures";
export declare type Notebook = v4.NotebookV4 | v3.NotebookV3;
/**
 * Converts a string representation of a notebook into a JSON representation.
 *
 * @param notebookString A string representation of a notebook.
 *
 * @returns A JSON representation of the same notebook.
 */
export declare function parseNotebook(notebookString: string): Notebook;
export declare function fromJS(notebook: Notebook | ImmutableNotebook): any;
/**
 * Converts an immutable representation of a notebook
 * to a JSON representation of the notebook using the
 * v4 of the nbformat specification.
 *
 * @param immnb The immutable representation of a notebook.
 *
 * @returns The JSON representation of a notebook.
 */
export declare function toJS(immnb: ImmutableNotebook): v4.NotebookV4;
/**
 * Converts a JSON representation of a notebook into a string representation.
 *
 * @param notebook The JSON representation of a notebook.
 *
 * @returns A string containing the notebook data.
 */
export declare function stringifyNotebook(notebook: Notebook): string;