import { fabric } from 'fabric';
import { Region } from '../../types';
interface UseOCRRecognitionParams {
    ocrRecognize?: (image: string) => Promise<Array<{
        bbox: [number, number][];
        content: string;
        no: number;
        score: number;
        type: string;
    }>>;
    onChange?: (labels: Region[]) => void;
    updateTextLayers: (rect: fabric.Rect, region: Region) => void;
    canvas: fabric.Canvas | undefined;
    rectMapRef: React.MutableRefObject<Map<fabric.Rect, Region>>;
    textLayersMapRef: React.MutableRefObject<Map<fabric.Rect, fabric.Rect[]>>;
    textLayoutContentMapRef: React.MutableRefObject<Map<fabric.Rect, string>>;
}
/**
 * Hook for managing OCR recognition logic
 * @param params - OCR recognition configuration parameters
 * @returns performOCRIfNeeded function and ocrRecognizingRef
 */
export declare const useOCRRecognition: ({ ocrRecognize, onChange, updateTextLayers, canvas, rectMapRef, textLayersMapRef, textLayoutContentMapRef, }: UseOCRRecognitionParams) => {
    performOCRIfNeeded: (region: Region, action: "create" | "update") => Promise<void>;
    performOCR: (region: Region) => Promise<void>;
    ocrRecognizingRef: import('react').RefObject<Set<string>>;
    ocrErrorRef: import('react').RefObject<Set<string>>;
};
export {};