import type { CellView } from '@difizen/libro-core';
import type { View } from '@difizen/mana-app';
import type { Disposable } from '@difizen/mana-app';
import { Syringe } from '@difizen/mana-app';
/**
 * Table of Contents configuration
 *
 * #### Notes
 * A document model may ignore some of those options.
 */
export interface TOCOptions {
    /**
     * Base level for the highest headings
     */
    baseNumbering: number;
    /**
     * Maximal depth of headings to display
     */
    maximalDepth: number;
    /**
     * Whether to number first-level headings or not.
     */
    numberingH1: boolean;
    /**
     * Whether to number headings in document or not.
     */
    numberHeaders: boolean;
    /**
     * Whether to include cell outputs in headings or not.
     */
    includeOutput: boolean;
    /**
     * Whether to synchronize heading collapse state between the ToC and the document or not.
     */
    syncCollapseState: boolean;
}
/**
 * Default table of content configuration
 */
export declare const defaultConfig: TOCOptions;
/**
 * Interface describing a heading.
 */
export interface IHeading {
    /**
     * Type of heading
     */
    type: HeadingType;
    /**
     * Heading text.
     */
    text: string;
    /**
     * HTML heading level.
     */
    level: number;
    /**
     * Heading prefix.
     */
    prefix?: string | null;
    /**
     * Dataset to add to the item node
     */
    dataset?: Record<string, string>;
    /**
     * Whether the heading is marked to skip or not
     */
    skip?: boolean;
    /**
     * Index of the output containing the heading
     */
    outputIndex?: number;
    /**
     * HTML id
     */
    id?: string | null;
}
/**
 * Type of headings
 */
export declare enum HeadingType {
    /**
     * Heading from HTML output
     */
    HTML = 0,
    /**
     * Heading from Markdown cell or Markdown output
     */
    Markdown = 1
}
export interface CellTOCProvider {
    getHeadings: () => IHeading[];
    updateWatcher: (fn: () => void) => Disposable;
}
export interface CellTOCProviderContribution {
    canHandle: (cell: CellView) => number;
    factory: (cell: CellView) => CellTOCProvider;
}
export declare const CellTOCProviderContribution: Syringe.DefinedToken;
export interface TOCProviderOption {
    /**
     * libro view
     */
    view: View;
}
export declare const TOCProviderOption: unique symbol;
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