import { fabric } from 'fabric';
import { Region } from '../../types';
interface UseRegionUpdateParams {
    canvas: fabric.Canvas | undefined;
    image: fabric.Image | undefined;
    draggable: boolean;
    canvasToImageCoords: (canvasX: number, canvasY: number) => {
        x: number;
        y: number;
    };
    imageToCanvasCoords: (imageX: number, imageY: number) => {
        x: number;
        y: number;
    };
    cropRegionImage: (region: Region) => Promise<string | undefined>;
    onChange?: (labels: Region[]) => void;
    onRegionChange?: (region: Region | null, action: 'create' | 'update' | 'delete') => void;
    performOCRIfNeeded: (region: Region, action: 'create' | 'update') => Promise<void>;
    updateTextLayers: (rect: fabric.Rect, region: Region) => void;
    rectMapRef: React.MutableRefObject<Map<fabric.Rect, Region>>;
    regionNameTextMapRef: React.MutableRefObject<Map<fabric.Rect, fabric.Text>>;
    ocrLoadingIconMapRef: React.MutableRefObject<Map<fabric.Rect, fabric.Group>>;
}
/**
 * Hook for updating region shape and image
 * @param params - Region update configuration parameters
 * @returns updateRegionShapeAndImage function to update region shape and crop image
 */
export declare const useRegionUpdate: ({ canvas, image, draggable, canvasToImageCoords, imageToCanvasCoords, cropRegionImage, onChange, onRegionChange, performOCRIfNeeded, updateTextLayers, rectMapRef, regionNameTextMapRef, ocrLoadingIconMapRef, }: UseRegionUpdateParams) => {
    updateRegionShapeAndImage: (rect: fabric.Rect) => void;
};
export {};