/**
 * Comment editor for the Comments plugin.
 *
 * @private
 * @class CommentEditor
 */
declare class CommentEditor {
    #private;
    /**
     * Registers a local hook listener scoped to this instance. Provided by the `localHooks` mixin.
     */
    addLocalHook: (key: string, callback: Function) => void;
    /**
     * Executes all local hook listeners registered under the given name. Provided by the `localHooks` mixin.
     */
    runLocalHooks: Function;
    /**
     * Returns the CSS class name applied to the outer comments container element.
     */
    static get CLASS_EDITOR_CONTAINER(): string;
    /**
     * Returns the CSS class name applied to the comment editor element.
     */
    static get CLASS_EDITOR(): string;
    /**
     * Returns the CSS class name applied to the comment textarea input element.
     */
    static get CLASS_INPUT(): string;
    /**
     * Returns the CSS class name applied to cells that have comments attached.
     */
    static get CLASS_CELL(): string;
    /**
     * Initializes the comment editor, builds its DOM structure, and attaches the resize observer.
     */
    constructor(rootDocument: Document, isRtl: boolean, rootPortalElement: HTMLElement);
    /**
     * Set position of the comments editor according to the  provided x and y coordinates.
     *
     * @param {number} x X position (in pixels).
     * @param {number} y Y position (in pixels).
     */
    setPosition(x: number, y: number): void;
    /**
     * Set the editor size according to the provided arguments.
     *
     * @param {number} width Width in pixels.
     * @param {number} height Height in pixels.
     */
    setSize(width: number, height: number): void;
    /**
     * Returns the size of the comments editor.
     *
     * @returns {{ width: number, height: number }}
     */
    getSize(): {
        width: number;
        height: number;
    };
    /**
     * Starts observing the editor size.
     */
    observeSize(): void;
    /**
     * Reset the editor size to its initial state.
     */
    resetSize(): void;
    /**
     * Set the read-only state for the comments editor.
     *
     * @param {boolean} state The new read only state.
     */
    setReadOnlyState(state: boolean): void;
    /**
     * Show the comments editor.
     */
    show(): void;
    /**
     * Hide the comments editor.
     */
    hide(): void;
    /**
     * Checks if the editor is visible.
     *
     * @returns {boolean}
     */
    isVisible(): boolean;
    /**
     * Set the comment value.
     *
     * @param {string} [value] The value to use.
     */
    setValue(value?: string): void;
    /**
     * Get the comment value.
     *
     * @returns {string}
     */
    getValue(): string;
    /**
     * Checks if the comment input element is focused.
     *
     * @returns {boolean}
     */
    isFocused(): boolean;
    /**
     * Focus the comments input element.
     */
    focus(): void;
    /**
     * Create the `textarea` to be used as a comments editor.
     *
     * @returns {HTMLElement}
     */
    createEditor(): HTMLDivElement;
    /**
     * Get the input element.
     *
     * @returns {HTMLTextAreaElement | null}
     */
    getInputElement(): HTMLTextAreaElement | null;
    /**
     * Get the editor element.
     *
     * @returns {HTMLElement} The editor element.
     */
    getEditorElement(): HTMLElement | null;
    /**
     * Destroy the comments editor.
     */
    destroy(): void;
}
export default CommentEditor;