import { fabric } from 'fabric';
import { Region, VLMLabel } from '../../types';
interface UseTextLayoutsParams {
    canvas: fabric.Canvas | undefined;
    imageToCanvasCoords: (imageX: number, imageY: number) => {
        x: number;
        y: number;
    };
    activeLabelValue?: {
        label: VLMLabel;
        region: Region;
    } | null;
    onAppendTextToActive?: (text: string) => void;
}
/**
 * Hook for managing text layout rectangles (OCR recognition results)
 * @param params - Text layouts configuration parameters
 * @returns Object containing updateTextLayers function and refs
 */
export declare const useTextLayouts: ({ canvas, imageToCanvasCoords, activeLabelValue, onAppendTextToActive, }: UseTextLayoutsParams) => {
    updateTextLayers: (rect: fabric.Rect, region: Region) => void;
    textLayersMapRef: import('react').RefObject<Map<fabric.Rect, fabric.Rect[]>>;
    textLayoutContentMapRef: import('react').RefObject<Map<fabric.Rect, string>>;
};
export {};