/**
* @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 list/list/listmergecommand
*/
import { Command, type Editor } from "@ckeditor/ckeditor5-core";
import type { ModelElement } from "@ckeditor/ckeditor5-engine";
/**
* The document list merge command. It is used by the {@link module:list/list~List list feature}.
*/
export declare class ListMergeCommand extends Command {
	/**
	* Whether list item should be merged before or after the selected block.
	*/
	private readonly _direction;
	/**
	* Creates an instance of the command.
	*
	* @param editor The editor instance.
	* @param direction Whether list item should be merged before or after the selected block.
	*/
	constructor(editor: Editor, direction: "forward" | "backward");
	/**
	* @inheritDoc
	*/
	override refresh(): void;
	/**
	* Merges list blocks together (depending on the {@link #constructor}'s `direction` parameter).
	*
	* @fires execute
	* @fires afterExecute
	* @param options Command options.
	* @param options.shouldMergeOnBlocksContentLevel When set `true`, merging will be performed together
	* with {@link module:engine/model/model~Model#deleteContent} to get rid of the inline content in the selection or take advantage
	* of the heuristics in `deleteContent()` that helps convert lists into paragraphs in certain cases.
	*/
	override execute({ shouldMergeOnBlocksContentLevel }?: {
		shouldMergeOnBlocksContentLevel?: boolean;
	}): void;
	/**
	* Fires the `afterExecute` event.
	*
	* @param changedBlocks The changed list elements.
	*/
	private _fireAfterExecute;
	/**
	* Checks whether the command can be enabled in the current context.
	*
	* @returns Whether the command should be enabled.
	*/
	private _checkEnabled;
	/**
	* Returns the boundary elements the merge should be executed for. These are not necessarily selection's first
	* and last position parents but sometimes sibling or even further blocks depending on the context.
	*
	* @param selection The selection the merge is executed for.
	* @param shouldMergeOnBlocksContentLevel When `true`, merge is performed together with
	* {@link module:engine/model/model~Model#deleteContent} to remove the inline content within the selection.
	*/
	private _getMergeSubjectElements;
}
/**
* Event fired by the {@link ~ListMergeCommand#execute} method.
*
* It allows to execute an action after executing the {@link module:list/list/listcommand~ListCommand#execute}
* method, for example adjusting attributes of changed list items.
*
* @internal
* @eventName ~ListMergeCommand#afterExecute
*/
export type ListMergeCommandAfterExecuteEvent = {
	name: "afterExecute";
	args: [changedBlocks: Array<ModelElement>];
};
