import { JSONObject, MultiLineString } from "./primitives";
import { MarkdownCell, RawCell } from "./v4";
declare const VALID_MIMETYPES: {
    text: string;
    latex: string;
    png: string;
    jpeg: string;
    svg: string;
    html: string;
    javascript: string;
    json: string;
    pdf: string;
};
declare type MimeTypeKey = keyof typeof VALID_MIMETYPES;
declare type MimePayload = {
    [P in MimeTypeKey]?: MultiLineString;
};
interface MimeOutput<T extends string = string> extends MimePayload {
    output_type: T;
    prompt_number?: number;
    metadata: object;
}
export declare type ExecuteResult = MimeOutput<"pyout">;
export declare type DisplayData = MimeOutput<"display_data">;
export interface ErrorOutput {
    output_type: "error" | "pyerr";
    ename: string;
    evalue: string;
    traceback: string[];
}
export interface StreamOutput {
    output_type: "stream";
    stream: string;
    text: MultiLineString;
}
export declare type Output = ExecuteResult | DisplayData | StreamOutput | ErrorOutput;
export interface HeadingCell {
    cell_type: "heading";
    metadata: JSONObject;
    source: MultiLineString;
    level: number;
}
export interface CodeCell {
    cell_type: "code";
    language: string;
    collapsed: boolean;
    metadata: JSONObject;
    input: MultiLineString;
    prompt_number: number;
    outputs: Output[];
}
export declare type Cell = RawCell | MarkdownCell | HeadingCell | CodeCell;
export interface Worksheet {
    cells: Cell[];
    metadata: object;
}
export interface NotebookV3 {
    worksheets: Worksheet[];
    metadata: object;
    nbformat: 3;
    nbformat_minor: number;
}
export declare function fromJS(notebook: NotebookV3): any;
export declare function isNotebookV3(value: any): value is NotebookV3;
export {};