import type { RichTextEditor, TextNodeType } from '../../../text-editor/types';
export declare const getMatcher: (type: TextNodeType) => ((n: import("../../../text-editor/types")._RichTextNode | RichTextEditor) => n is import("../../../text-editor/types")._RichTextLink) | ((n: import("../../../text-editor/types")._RichTextNode | RichTextEditor) => n is import("../../../text-editor/types").DTRNode);
/**
 * Inserts a new-line node at the current selection.
 */
export declare const insertNewLine: (editor: RichTextEditor) => void;
/**
 * Returns true if the selection is at the edge of the node where the current selection is.
 */
export declare const selectionAtNodeEdge: (editor: RichTextEditor) => boolean;