import * as Immutable from "immutable";
export declare type ExecutionCount = number | null;
export declare type PrimitiveImmutable = string | number | boolean | null;
export declare type JSONType = PrimitiveImmutable | JSONObject | JSONArray;
export interface JSONObject {
    [key: string]: JSONType;
}
export declare type JSONArray = Array<JSONType>;
export declare type CellId = string;
export declare function createCellId(): CellId;
export declare type MultiLineString = string | string[];
/**
 * A mime-type keyed dictionary of data.
 * See https://nbformat.readthedocs.io/en/latest/format_description.html#cell-attachments for docs
 * and https://github.com/jupyter/nbformat/blob/b23aad6e29d8c3909a1b04a7edc9ae541096dc7b/nbformat/v4/nbformat.v4.schema.json#L442
 * for the schema
 */
export interface MimeBundle<TPayload = string> {
    [mime_type: string]: TPayload;
}
export declare type ImmutableJSONType = PrimitiveImmutable | ImmutableJSONMap | ImmutableJSONList;
export declare type ImmutableJSONMap = Immutable.Map<string, any>;
export declare type ImmutableJSONList = Immutable.List<any>;
/**
 * Media Bundles as they exist on disk from the notebook format
 * See https://nbformat.readthedocs.io/en/latest/format_description.html#display-data for docs
 * and https://github.com/jupyter/nbformat/blob/master/nbformat/v4/nbformat.v4.schema.json for the schema
 */
export interface OnDiskMediaBundle {
    "text/plain"?: MultiLineString;
    "text/html"?: MultiLineString;
    "text/latex"?: MultiLineString;
    "text/markdown"?: MultiLineString;
    "application/javascript"?: MultiLineString;
    "image/png"?: MultiLineString;
    "image/jpeg"?: MultiLineString;
    "image/gif"?: MultiLineString;
    "image/svg+xml"?: MultiLineString;
    "application/json"?: string | string[] | {};
    "application/vdom.v1+json"?: {};
    "application/vnd.dataresource+json"?: {};
    "text/vnd.plotly.v1+html"?: MultiLineString | {};
    "application/vnd.plotly.v1+json"?: {};
    "application/geo+json"?: {};
    "application/x-nteract-model-debug+json"?: {};
    "application/vnd.vega.v2+json"?: {};
    "application/vnd.vega.v3+json"?: {};
    "application/vnd.vega.v4+json"?: {};
    "application/vnd.vega.v5+json"?: {};
    "application/vnd.vegalite.v1+json"?: {};
    "application/vnd.vegalite.v2+json"?: {};
    "application/vnd.vegalite.v3+json"?: {};
    "application/vnd.vegalite.v4+json"?: {};
    [key: string]: string | string[] | {} | undefined;
}
export interface MediaBundle {
    "text/plain"?: string;
    "text/html"?: string;
    "text/latex"?: string;
    "text/markdown"?: string;
    "application/javascript"?: string;
    "image/png"?: string;
    "image/jpeg"?: string;
    "image/gif"?: string;
    "image/svg+xml"?: string;
    "application/json"?: {
        [key: string]: any;
    };
    "application/vdom.v1+json"?: {
        [key: string]: any;
    };
    "application/vnd.dataresource+json"?: {
        [key: string]: any;
    };
    "text/vnd.plotly.v1+html"?: string | {
        [key: string]: any;
    };
    "application/vnd.plotly.v1+json"?: {
        [key: string]: any;
    };
    "application/geo+json"?: {
        [key: string]: any;
    };
    "application/x-nteract-model-debug+json"?: {
        [key: string]: any;
    };
    "application/vnd.vega.v2+json"?: {
        [key: string]: any;
    };
    "application/vnd.vega.v3+json"?: {
        [key: string]: any;
    };
    "application/vnd.vega.v4+json"?: {
        [key: string]: any;
    };
    "application/vnd.vega.v5+json"?: {
        [key: string]: any;
    };
    "application/vnd.vegalite.v1+json"?: {
        [key: string]: any;
    };
    "application/vnd.vegalite.v2+json"?: {
        [key: string]: any;
    };
    "application/vnd.vegalite.v3+json"?: {
        [key: string]: any;
    };
    "application/vnd.vegalite.v4+json"?: {
        [key: string]: any;
    };
    [key: string]: string | string[] | {} | undefined;
}
/**
 * Normalize line endings to \n line feed to be consistent across OS platforms.
 */
export declare function normalizeLineEndings(text?: string): string | undefined;
/**
 * Turn nbformat multiline strings (arrays of strings for simplifying diffs)
 * into strings
 */
export declare function demultiline(s: string | string[]): string;
/**
 * Split string into a list of strings delimited by newlines; useful for on-disk
 * git comparisons; and is the expectation for jupyter notebooks on disk
 */
export declare function remultiline(s: string | string[]): string[];
declare type DeepReadonly<T> = {
    readonly [P in keyof T]: DeepReadonly<T[P]>;
};
export declare function deepFreeze<T>(object: T): DeepReadonly<T>;
export declare function createFrozenMediaBundle(mediaBundle: OnDiskMediaBundle): Readonly<MediaBundle>;
export declare function createOnDiskMediaBundle(mediaBundle: Readonly<MediaBundle>): OnDiskMediaBundle;
export {};