/**
 * @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
 */
import { Model } from '../model/model.js';
import { ModelRange } from '../model/range.js';
import { ModelPosition } from '../model/position.js';
import { ModelSelection } from '../model/selection.js';
import { ModelDocumentFragment } from '../model/documentfragment.js';
import { ModelDocumentSelection } from '../model/documentselection.js';
import type { BatchType } from '../model/batch.js';
import { type MarkerCollection } from '../model/markercollection.js';
import type { ModelSchema, ModelSchemaContextDefinition } from '../model/schema.js';
import { type ModelNode } from '../model/node.js';
/**
 * Writes the content of a model {@link module:engine/model/document~ModelDocument document} to an HTML-like string.
 *
 * ```ts
 * getData( editor.model ); // -> '<paragraph>Foo![]</paragraph>'
 * ```
 *
 * **Note:** A {@link module:engine/model/text~ModelText text} node that contains attributes will be represented as:
 *
 * ```xml
 * <$text attribute="value">Text data</$text>
 * ```
 *
 * **Note:** Using this tool in production-grade code is not recommended. It was designed for development, prototyping,
 * debugging and testing.
 *
 * @param options.withoutSelection Whether to write the selection. When set to `true`, the selection will
 * not be included in the returned string.
 * @param options.rootName The name of the root from which the data should be stringified. If not provided,
 * the default `main` name will be used.
 * @param options.convertMarkers Whether to include markers in the returned string.
 * @returns The stringified data.
 */
export declare function _getModelData(model: Model, options?: {
    withoutSelection?: boolean;
    rootName?: string;
    convertMarkers?: boolean;
}): string;
export declare namespace _getModelData {
    var _stringify: typeof _stringifyModel;
}
/**
 * Sets the content of a model {@link module:engine/model/document~ModelDocument document} provided as an HTML-like string.
 *
 * ```ts
 * setData( editor.model, '<paragraph>Foo![]</paragraph>' );
 * ```
 *
 * **Note:** Remember to register elements in the {@link module:engine/model/model~Model#schema model's schema} before
 * trying to use them.
 *
 * **Note:** To create a {@link module:engine/model/text~ModelText text} node that contains attributes use:
 *
 * ```xml
 * <$text attribute="value">Text data</$text>
 * ```
 *
 * **Note:** Using this tool in production-grade code is not recommended. It was designed for development, prototyping,
 * debugging and testing.
 *
 * @param data HTML-like string to write into the document.
 * @param options.rootName Root name where parsed data will be stored. If not provided, the default `main`
 * name will be used.
 * @param options.selectionAttributes A list of attributes which will be passed to the selection.
 * @param options.lastRangeBackward If set to `true`, the last range will be added as backward.
 * @param options.batchType Batch type used for inserting elements. See {@link module:engine/model/batch~Batch#constructor}.
 */
export declare function _setModelData(model: Model, data: string, options?: {
    rootName?: string;
    selectionAttributes?: Record<string, unknown>;
    lastRangeBackward?: boolean;
    batchType?: BatchType;
    inlineObjectElements?: Array<string>;
}): void;
export declare namespace _setModelData {
    var _parse: typeof _parseModel;
}
/**
 * Converts model nodes to HTML-like string representation.
 *
 * **Note:** A {@link module:engine/model/text~ModelText text} node that contains attributes will be represented as:
 *
 * ```xml
 * <$text attribute="value">Text data</$text>
 * ```
 *
 * @param node A node to stringify.
 * @param selectionOrPositionOrRange A selection instance whose ranges will be included in the returned string data.
 * If a range instance is provided, it will be converted to a selection containing this range. If a position instance
 * is provided, it will be converted to a selection containing one range collapsed at this position.
 * @param markers Markers to include.
 * @returns An HTML-like string representing the model.
 */
export declare function _stringifyModel(node: ModelNode | ModelDocumentFragment, selectionOrPositionOrRange?: ModelSelection | ModelDocumentSelection | ModelPosition | ModelRange | null, markers?: MarkerCollection | null): string;
/**
 * Parses an HTML-like string and returns the model {@link module:engine/model/rootelement~ModelRootElement rootElement}.
 *
 * **Note:** To create a {@link module:engine/model/text~ModelText text} node that contains attributes use:
 *
 * ```xml
 * <$text attribute="value">Text data</$text>
 * ```
 *
 * @param data HTML-like string to be parsed.
 * @param schema A schema instance used by converters for element validation.
 * @param options Additional configuration.
 * @param options.selectionAttributes A list of attributes which will be passed to the selection.
 * @param options.lastRangeBackward If set to `true`, the last range will be added as backward.
 * @param options.context The conversion context. If not provided, the default `'$root'` will be used.
 * @returns Returns the parsed model node or an object with two fields: `model` and `selection`,
 * when selection ranges were included in the data to parse.
 */
export declare function _parseModel(data: string, schema: ModelSchema, options?: {
    selectionAttributes?: Record<string, unknown> | Iterable<[string, unknown]>;
    lastRangeBackward?: boolean;
    context?: ModelSchemaContextDefinition;
    inlineObjectElements?: Array<string>;
}): ModelNode | ModelDocumentFragment | {
    model: ModelNode | ModelDocumentFragment;
    selection: ModelSelection;
};