import { fabric } from 'fabric';
import { Region } from '../../types';
/**
 * Hook for managing region name text labels
 * @param canvas - Fabric.js canvas instance
 * @param ocrLoadingIconMapRef - Reference to OCR loading icon map (for updating scan line position)
 * @returns Object containing updateRegionNameText function and regionNameTextMapRef
 */
export declare const useRegionNameText: (canvas: fabric.Canvas | undefined) => {
    updateRegionNameText: (rect: fabric.Rect, region: Region) => void;
    regionNameTextMapRef: import('react').RefObject<Map<fabric.Rect, fabric.Text>>;
};