/**
 * Auto-Identify Module
 *
 * Automatically captures user identity (email) from:
 * 1. Fetch/XHR API requests (email in request/response)
 * 2. Form submissions (email inputs)
 * 3. Shopify-specific endpoints (/account.json)
 *
 * SECURITY:
 * - Email validation to prevent false positives
 * - Whitelist approach for trusted domains
 * - Rate limiting to prevent spam
 * - Privacy controls integration
 */
interface AutoIdentifyConfig {
    enabled?: boolean;
    captureFromForms?: boolean;
    captureFromAPI?: boolean;
    captureFromShopify?: boolean;
    trustedDomains?: string[];
    debug?: boolean;
}
export declare class AutoIdentifyManager {
    private config;
    private identifyCallback?;
    private originalFetch?;
    private originalXHROpen?;
    private originalXHRSend?;
    private formListeners;
    private lastIdentifyTime;
    private RATE_LIMIT_MS;
    private shopifyCheckInterval?;
    private formObserver?;
    private destroyed;
    private static THIRD_PARTY_EMAIL_FIELD;
    constructor(config?: AutoIdentifyConfig);
    /**
     * Initialize auto-identify system
     */
    initialize(identifyCallback: (email: string, source: string) => void): Promise<void>;
    /**
     * Setup form monitoring for email capture
     */
    private setupFormMonitoring;
    /**
     * The form's email input that belongs to the VISITOR (not a gift/recipient field), or
     * null when there's no usable / unambiguous one. (FSR-49)
     */
    private findVisitorEmailInput;
    private isThirdPartyEmailField;
    /**
     * Scan DOM for forms with email inputs
     */
    private scanForEmailForms;
    /**
     * Handle form submission
     */
    private handleFormSubmit;
    /**
     * Setup fetch interception for API email capture
     */
    private setupFetchInterception;
    /**
     * Setup XHR interception for API email capture
     */
    private setupXHRInterception;
    /**
     * Setup Shopify-specific monitoring
     */
    private setupShopifyMonitoring;
    /**
     * Check if running on Shopify
     */
    private isShopify;
    /**
     * Check Shopify customer endpoint for email
     */
    private checkShopifyCustomer;
    /**
     * Extract email from data (object, string, FormData)
     */
    private extractEmailFromData;
    /**
     * Recursively find emails in object
     */
    private findEmailsInObject;
    /**
     * Check if domain is trusted for auto-identify
     */
    private isTrustedDomain;
    /**
     * Validate email format
     */
    private isValidEmail;
    /**
     * Trigger identify with rate limiting
     */
    private triggerIdentify;
    /**
     * Destroy and cleanup
     */
    destroy(): void;
    /**
     * Debug logging
     */
    private log;
}
export {};
//# sourceMappingURL=auto-identify.d.ts.map