/**
* @license Copyright (c) 2003-2026, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
*/
/**
* @module engine/view/text
*/
import { ViewNode } from "./node.js";
import { type ViewDocument } from "./document.js";
/**
* Tree view text node.
*
* The constructor of this class should not be used directly. To create a new text node instance
* use the {@link module:engine/view/downcastwriter~ViewDowncastWriter#createText `ViewDowncastWriter#createText()`}
* method when working on data downcasted from the model or the
* {@link module:engine/view/upcastwriter~ViewUpcastWriter#createText `ViewUpcastWriter#createText()`}
* method when working on non-semantic views.
*/
export declare class ViewText extends ViewNode {
	/**
	* The text content.
	*
	* Setting the data fires the {@link module:engine/view/node~ViewNode#event:change:text change event}.
	*/
	private _textData;
	/**
	* Creates a tree view text node.
	*
	* @see module:engine/view/downcastwriter~ViewDowncastWriter#createText
	* @internal
	* @param document The document instance to which this text node belongs.
	* @param data The text's data.
	*/
	constructor(document: ViewDocument, data: string);
	/**
	* The text content.
	*/
	get data(): string;
	/**
	* The `_data` property is controlled by a getter and a setter.
	*
	* The getter is required when using the addition assignment operator on protected property:
	*
	* ```ts
	* const foo = downcastWriter.createText( 'foo' );
	* const bar = downcastWriter.createText( 'bar' );
	*
	* foo._data += bar.data;   // executes: `foo._data = foo._data + bar.data`
	* console.log( foo.data ); // prints: 'foobar'
	* ```
	*
	* If the protected getter didn't exist, `foo._data` will return `undefined` and result of the merge will be invalid.
	*
	* The setter sets data and fires the {@link module:engine/view/node~ViewNode#event:change:text change event}.
	*
	* @internal
	*/
	get _data(): string;
	set _data(data: string);
	/**
	* Checks if this text node is similar to other text node.
	* Both nodes should have the same data to be considered as similar.
	*
	* @param otherNode Node to check if it is same as this node.
	*/
	isSimilar(otherNode: ViewNode): boolean;
	/**
	* Converts `ViewText` instance to plain object and returns it.
	*
	* @returns `ViewText` instance converted to plain object.
	*/
	override toJSON(): unknown;
	/**
	* Clones this node.
	*
	* @internal
	* @returns Text node that is a clone of this node.
	*/
	_clone(): ViewText;
}