import * as Blockly from "blockly";
/**
 * An icon which allows the user to add comment text to a block.
 */
export declare class CommentIcon extends Blockly.icons.Icon implements Blockly.IHasBubble {
    protected readonly sourceBlock: Blockly.Block;
    /** The type string used to identify this icon. */
    static readonly TYPE: Blockly.icons.IconType<import("blockly/core/interfaces/i_comment_icon").ICommentIcon>;
    /**
     * The weight this icon has relative to other icons. Icons with more positive
     * weight values are rendered farther toward the end of the block.
     */
    static readonly WEIGHT = 3;
    /** The bubble used to show editable text to the user. */
    private textInputBubble;
    /** The text of this comment. */
    private text;
    /** The size of this comment (which is applied to the editable bubble). */
    private bubbleSize;
    /**
     * The visibility of the bubble for this comment.
     *
     * This is used to track what the visibile state /should/ be, not necessarily
     * what it currently /is/. E.g. sometimes this will be true, but the block
     * hasn't been rendered yet, so the bubble will not currently be visible.
     */
    private bubbleVisiblity;
    constructor(sourceBlock: Blockly.Block);
    getType(): Blockly.icons.IconType<CommentIcon>;
    initView(pointerdownListener: (e: PointerEvent) => void): void;
    dispose(): void;
    getWeight(): number;
    getSize(): Blockly.utils.Size;
    applyColour(): void;
    /**
     * Updates the state of the bubble (editable / noneditable) to reflect the
     * state of the bubble if the bubble is currently shown.
     */
    updateEditable(): Promise<void>;
    onLocationChange(blockOrigin: Blockly.utils.Coordinate): void;
    /** Sets the text of this comment. Updates any bubbles if they are visible. */
    setText(text: string): void;
    /** Returns the text of this comment. */
    getText(): string;
    /**
     * Sets the size of the editable bubble for this comment. Resizes the
     * bubble if it is visible.
     */
    setBubbleSize(size: Blockly.utils.Size): void;
    /** @returns the size of the editable bubble for this comment. */
    getBubbleSize(): Blockly.utils.Size;
    /**
     * @returns the state of the comment as a JSON serializable value if the
     * comment has text. Otherwise returns null.
     */
    saveState(): CommentState | null;
    /** Applies the given state to this comment. */
    loadState(state: CommentState): void;
    setBubbleLocation(location: Blockly.utils.Coordinate): void;
    getBubbleLocation(): Blockly.utils.Coordinate | undefined;
    onClick(): void;
    isClickableInFlyout(): boolean;
    /**
     * Updates the text of this comment in response to changes in the text of
     * the input bubble.
     */
    onTextChange(): void;
    /**
     * Updates the size of this icon in response to changes in the size of the
     * input bubble.
     */
    onSizeChange(): void;
    onPositionChange(): void;
    bubbleIsVisible(): boolean;
    setBubbleVisible(visible: boolean): Promise<void>;
    getBubble(): Blockly.IBubble | null;
    /**
     * Shows the editable text bubble for this comment, and adds change listeners
     * to update the state of this icon in response to changes in the bubble.
     */
    private showEditableBubble;
    /** Shows the non editable text bubble for this comment. */
    private showNonEditableBubble;
    /** Hides any open bubbles owned by this comment. */
    private hideBubble;
    /**
     * @returns the location the bubble should be anchored to.
     *     I.E. the middle of this icon.
     */
    private getAnchorLocation;
    /**
     * @returns the rect the bubble should avoid overlapping.
     *     I.E. the block that owns this icon.
     */
    private getBubbleOwnerRect;
    private getSavedOffsetData;
    private clearSavedOffsetData;
}
/** The save state format for a comment icon. */
export interface CommentState {
    /** The text of the comment. */
    text?: string;
    /** True if the comment is open, false otherwise. */
    pinned?: boolean;
    /** The height of the comment bubble. */
    height?: number;
    /** The width of the comment bubble. */
    width?: number;
}