/**
 * Weavetab — anticaptcha/detector.ts
 * Comprehensive CAPTCHA detection covering all major real-world CAPTCHA types.
 * Detects: reCAPTCHA v2/v3, hCaptcha, Turnstile, GeeTest, FunCaptcha,
 *          slider/drag, press-and-hold, DataDome, PerimeterX, and custom CAPTCHAs.
 * No external API keys. All detection via DOM inspection + CDP.
 * Weavetab by fy2ne
 */
import CDP from "chrome-remote-interface";
export type CaptchaType = "recaptcha_v2" | "recaptcha_v3" | "hcaptcha" | "turnstile" | "geetest" | "geetest_v4" | "funcaptcha" | "slider" | "press_and_hold" | "datadome" | "perimeter_x" | "custom" | "unknown";
export type InteractionType = "checkbox" | "image_select" | "drag" | "hold" | "text" | "math" | "rotate" | "none" | "unknown";
export interface CaptchaDetection {
    detected: boolean;
    type: CaptchaType;
    interactionType: InteractionType;
    difficulty: "easy" | "medium" | "hard" | "extreme";
    selector: string;
    iframe?: string;
    widgetId?: string;
    confidence: number;
    /** Approximate drag distance in pixels for slider CAPTCHAs (0 if unknown) */
    sliderTrackWidth?: number;
    /** Estimated hold duration in ms for press-and-hold CAPTCHAs */
    holdDurationMs?: number;
    metadata: {
        siteKey?: string;
        version?: string;
        hasAudio?: boolean;
        hasChallenge?: boolean;
        requiresUserInteraction?: boolean;
        geetestVersion?: number;
        frameOrigin?: string;
    };
}
/**
 * Comprehensive CAPTCHA detection using multiple heuristics.
 * Returns the highest-confidence detection found on the page.
 */
export declare function detectCaptcha(session: CDP.Client): Promise<CaptchaDetection>;
/**
 * Check if a CAPTCHA is currently blocking the workflow.
 * Uses both detection and a visibility/blocking check.
 */
export declare function isCaptchaBlocking(session: CDP.Client): Promise<boolean>;
/**
 * Quickly check if the current page shows a CAPTCHA without the full detection.
 * Cheaper than detectCaptcha — use for polling.
 */
export declare function quickCaptchaCheck(session: CDP.Client): Promise<boolean>;