import type { ImageEditOptions } from './types/ImageEditOptions';
import type { EditorPlugin, IEditor, ImageEditOperation, ImageEditor, ImageMetadataFormat, PluginEvent } from 'roosterjs-content-model-types';
/**
 * ImageEdit plugin handles the following image editing features:
 * - Resize image
 * - Crop image
 * - Rotate image
 * - Flip image
 */
export declare class ImageEditPlugin implements ImageEditor, EditorPlugin {
    protected editor: IEditor | null;
    private shadowSpan;
    private selectedImage;
    protected wrapper: HTMLSpanElement | null;
    protected imageEditInfo: ImageMetadataFormat | null;
    private imageHTMLOptions;
    private dndHelpers;
    private clonedImage;
    private lastSrc;
    private wasImageResized;
    private isCropMode;
    private resizers;
    private rotators;
    private croppers;
    private zoomScale;
    private disposer;
    protected isEditing: boolean;
    protected options: ImageEditOptions;
    constructor(options?: ImageEditOptions);
    /**
     * Get name of this plugin
     */
    getName(): string;
    /**
     * The first method that editor will call to a plugin when editor is initializing.
     * It will pass in the editor instance, plugin should take this chance to save the
     * editor reference so that it can call to any editor method or format API later.
     * @param editor The editor object
     */
    initialize(editor: IEditor): void;
    /**
     * The last method that editor will call to a plugin before it is disposed.
     * Plugin can take this chance to clear the reference to editor. After this method is
     * called, plugin should not call to any editor method since it will result in error.
     */
    dispose(): void;
    /**
     * Core method for a plugin. Once an event happens in editor, editor will call this
     * method of each plugin to handle the event as long as the event is not handled
     * exclusively by another plugin.
     * @param event The event to handle:
     */
    onPluginEvent(event: PluginEvent): void;
    private handleBeforeLogicalRootChange;
    private removeImageEditing;
    private isImageSelection;
    private mouseUpHandler;
    private mouseDownHandler;
    private onDropHandler;
    private keyDownHandler;
    private setContentHandler;
    private formatEventHandler;
    private contentChangedHandler;
    /**
     * EXPOSED FOR TESTING PURPOSE ONLY
     */
    protected applyFormatWithContentModel(editor: IEditor, isCropMode: boolean, shouldSelectImage?: boolean, isApiOperation?: boolean): void;
    private startEditing;
    private updateImageDimensionsIfZero;
    private startEditingInternal;
    startRotateAndResize(editor: IEditor, image: HTMLImageElement, isRTL: boolean): void;
    private updateResizeHandleDirection;
    private updateRotateHandleState;
    isOperationAllowed(operation: ImageEditOperation): boolean;
    canRegenerateImage(image: HTMLImageElement): boolean;
    private startCropMode;
    cropImage(): void;
    private editImage;
    /**
     * Exported for testing purpose only
     */
    cleanInfo(): void;
    private removeImageWrapper;
    flipImage(direction: 'horizontal' | 'vertical'): void;
    rotateImage(angleRad: number): void;
}