/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */
import type { DOMConversionMap, DOMExportOutput, EditorConfig, ElementFormatType, LexicalCommand, LexicalEditor, LexicalNode, NodeKey, ParagraphNode, RangeSelection, SerializedElementNode, Spread } from 'lexical';
import { ElementNode } from 'lexical';
export declare function setNodeIndentFromDOM(domElement: HTMLElement, node: ElementNode): void;
export declare function $getHeadingNodeById(id: string): HeadingNode | null;
export type SerializedHeadingNode = Spread<{
    tag: 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'h7';
    id: string;
    numberString?: string;
}, SerializedElementNode>;
export declare const DRAG_DROP_PASTE: LexicalCommand<Array<File>>;
export type SerializedQuoteNode = SerializedElementNode;
/** @noInheritDoc */
export declare class QuoteNode extends ElementNode {
    static getType(): string;
    static clone(node: QuoteNode): QuoteNode;
    createDOM(config: EditorConfig): HTMLElement;
    updateDOM(prevNode: this, dom: HTMLElement): boolean;
    static importDOM(): DOMConversionMap | null;
    exportDOM(editor: LexicalEditor): DOMExportOutput;
    static importJSON(serializedNode: SerializedQuoteNode): QuoteNode;
    updateFromJSON(serializedNode: SerializedQuoteNode): QuoteNode;
    insertNewAfter(_: RangeSelection, restoreSelection?: boolean): ParagraphNode;
    collapseAtStart(): true;
    canMergeWhenEmpty(): true;
}
export declare function $createQuoteNode(): QuoteNode;
export declare function $isQuoteNode(node: LexicalNode | null | undefined): node is QuoteNode;
export type HeadingTagType = 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6' | 'h7';
/** @noInheritDoc */
export declare class HeadingNode extends ElementNode {
    /** @internal */
    __tag: HeadingTagType;
    private __id;
    __numberString: string;
    __extraAttributes?: string;
    static getType(): string;
    static clone(node: HeadingNode): HeadingNode;
    constructor(tag: HeadingTagType, key?: NodeKey);
    getTag(): HeadingTagType;
    setTag(tag: HeadingTagType): this;
    getLatestIdFromJSON(): string | null;
    getId(): string;
    createDOM(config: EditorConfig): HTMLElement;
    updateDOM(prevNode: this, dom: HTMLElement, config: EditorConfig): boolean;
    static importDOM(): DOMConversionMap | null;
    exportDOM(editor: LexicalEditor): DOMExportOutput;
    setId(id: any): this;
    static importJSON(serializedNode: SerializedHeadingNode): HeadingNode;
    updateFromJSON(serializedNode: SerializedHeadingNode): this;
    exportJSON(): SerializedHeadingNode;
    insertNewAfter(selection?: RangeSelection, restoreSelection?: boolean): ParagraphNode | HeadingNode;
    collapseAtStart(): true;
    extractWithChild(): boolean;
    toCodoxNode(): {
        type: string;
        format: ElementFormatType;
        version: number;
        /**
         * extension: codox_metadata should hold immutables:
         *  - required: your extended node type, e.g. 'warning'
         *  - optional: any immutable properties of an original node - these fields are not merged and synchronized.
         */
        codox_metadata: {
            type: string;
            id: string;
        };
    };
    /**
     * Implement the following API methods to interoperate with Codox
     * Codox -> Lexical Node
     * Converts synchronized codox json node to lexical json node
     * must be class 'static' method
     */
    static fromCodoxNode(codoxNode: any): {
        type: any;
        text: any;
        format: any;
        mode: any;
        detail: any;
        version: any;
        key: any;
        style: string;
        /**
         * set custom attributes
         */
        id: any;
        color: string;
        backgroundColor: string;
    };
}
export declare function $createHeadingNode(headingTag?: HeadingTagType): HeadingNode;
export declare function $isHeadingNode(node: LexicalNode | null | undefined): node is HeadingNode;