import type * as ort from "onnxruntime-web";
import { BaseDetectionService } from "../core/base-detection.service.js";
import type { DebuggingOptions, DetectionOptions } from "../interface.js";
/**
 * Service for detecting text regions in images using Web implementation.
 * Web always uses canvas-native engine (no OpenCV available in browser).
 */
export declare class DetectionService extends BaseDetectionService {
    /**
     * Creates a web detection service bound to a loaded ONNX session.
     *
     * @param session - Loaded ONNX detection model session (`onnxruntime-web`).
     * @param options - Detection tuning options.
     * @param debugging - Logging and image-dump options.
     */
    constructor(session: ort.InferenceSession, options?: Partial<DetectionOptions>, debugging?: Partial<DebuggingOptions>);
}