/**
 * 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.
 *
 * @flow strict
 */
import type {
  DOMConversionMap,
  EditorConfig,
  EditorState,
  LexicalNode,
  NodeKey,
  ParagraphNode,
  LexicalEditor,
  LexicalCommand,
} from 'lexical';
import {ElementNode} from 'lexical';

declare export var DRAG_DROP_PASTE: LexicalCommand<Array<File>>;
declare export class QuoteNode extends ElementNode {
  static getType(): string;
  static clone(node: QuoteNode): QuoteNode;
  constructor(key?: NodeKey): void;
  createDOM(config: EditorConfig): HTMLElement;
  updateDOM(prevNode: QuoteNode, dom: HTMLElement): boolean;
  insertNewAfter(): ParagraphNode;
  collapseAtStart(): true;
}
declare export function $createQuoteNode(): QuoteNode;
declare export function $isQuoteNode(
  node: ?LexicalNode,
): node is  QuoteNode;
export type HeadingTagType = 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6';
declare export class HeadingNode extends ElementNode {
  __tag: HeadingTagType;
  static getType(): string;
  static clone(node: HeadingNode): HeadingNode;
  constructor(tag: HeadingTagType, key?: NodeKey): void;
  getTag(): HeadingTagType;
  createDOM(config: EditorConfig): HTMLElement;
  updateDOM(prevNode: HeadingNode, dom: HTMLElement): boolean;
  static importDOM(): DOMConversionMap | null;
  insertNewAfter(): ParagraphNode;
  collapseAtStart(): true;
}
declare export function $createHeadingNode(
  headingTag: HeadingTagType,
): HeadingNode;
declare export function $isHeadingNode(
  node: ?LexicalNode,
): node is  HeadingNode;
declare export function registerRichText(editor: LexicalEditor): () => void;