import { Bubble } from './bubble.js';
import * as Blockly from "blockly";
/**
 * A bubble that displays editable text. It can also be resized by the user.
 * Used by the comment icon.
 */
export declare class TextInputBubble extends Bubble {
    readonly workspace: Blockly.WorkspaceSvg;
    protected anchor: Blockly.utils.Coordinate;
    protected ownerRect?: Blockly.utils.Rect;
    protected readonly readOnly?: boolean;
    /** The root of the elements specific to the text element. */
    private inputRoot;
    /** The text input area element. */
    private textArea;
    /** The group containing the lines indicating the bubble is resizable. */
    private resizeGroup;
    /**
     * Event data associated with the listener for pointer up events on the
     * resize group.
     */
    private resizePointerUpListener;
    /**
     * Event data associated with the listener for pointer move events on the
     * resize group.
     */
    private resizePointerMoveListener;
    /** Functions listening for changes to the text of this bubble. */
    private textChangeListeners;
    /** Functions listening for changes to the size of this bubble. */
    private sizeChangeListeners;
    /** Functions listening for changes to the position of this bubble. */
    private positionChangeListeners;
    /** The text of this bubble. */
    private text;
    /** The default size of this bubble, including borders. */
    private readonly DEFAULT_SIZE;
    /** The minimum size of this bubble, including borders. */
    private readonly MIN_SIZE;
    /**
     * @param workspace The workspace this bubble belongs to.
     * @param anchor The anchor location of the thing this bubble is attached to.
     *     The tail of the bubble will point to this location.
     * @param ownerRect An optional rect we don't want the bubble to overlap with
     *     when automatically positioning.
     */
    constructor(workspace: Blockly.WorkspaceSvg, anchor: Blockly.utils.Coordinate, ownerRect?: Blockly.utils.Rect, readOnly?: boolean);
    /** @returns the text of this bubble. */
    getText(): string;
    moveTo(x: number, y: number): void;
    /** Sets the text of this bubble. Calls change listeners. */
    setText(text: string): void;
    /** Adds a change listener to be notified when this bubble's text changes. */
    addTextChangeListener(listener: () => void): void;
    /** Adds a change listener to be notified when this bubble's size changes. */
    addSizeChangeListener(listener: () => void): void;
    addPositionChangeListener(listener: () => void): void;
    private static createTextArea;
    /** Creates and returns the UI container element for this bubble's editor. */
    private createEditor;
    /** Binds events to the text area element. */
    private bindTextAreaEvents;
    /** Creates the resize handler elements and binds events to them. */
    private createResizeHandle;
    /**
     * Sets the size of this bubble, including the border.
     *
     * @param size Sets the size of this bubble, including the border.
     * @param relayout If true, reposition the bubble from scratch so that it is
     *     optimally visible. If false, reposition it so it maintains the same
     *     position relative to the anchor.
     */
    setSize(size: Blockly.utils.Size, relayout?: boolean): void;
    /** @returns the size of this bubble. */
    getSize(): Blockly.utils.Size;
    isDeletable(): boolean;
    /** Handles mouse down events on the resize target. */
    private onResizePointerDown;
    /** Handles pointer up events on the resize target. */
    private onResizePointerUp;
    /** Handles pointer move events on the resize target. */
    private onResizePointerMove;
    /** Handles a text change event for the text area. Calls event listeners. */
    private onTextChange;
    /** Handles a size change event for the text area. Calls event listeners. */
    private onSizeChange;
    /** Handles a position change event for the text area. Calls event listeners. */
    private onPositionChange;
    private onKeyDown;
}