import type { NotificationChannel, NotificationPayload } from "../types.js";
export interface WhatsAppConfig {
    providerType: "twilio" | "meta";
    twilioAccountSid?: string;
    twilioAuthToken?: string;
    twilioFromNumber?: string;
    metaAccessToken?: string;
    metaPhoneNumberId?: string;
    metaBusinessAccountId?: string;
}
export interface WhatsAppRecipient {
    phoneNumber: string;
}
/**
 * WhatsApp Notification Channel
 * Supports both Twilio and Meta (WhatsApp Business API)
 */
export declare class WhatsAppChannel implements NotificationChannel {
    name: string;
    send(config: WhatsAppConfig, recipient: WhatsAppRecipient, payload: NotificationPayload): Promise<{
        success: boolean;
        error?: string;
    }>;
    /**
     * Send via Twilio WhatsApp API
     */
    private sendViaTwilio;
    /**
     * Send via Meta WhatsApp Business API
     */
    private sendViaMeta;
}
//# sourceMappingURL=whatsapp.d.ts.map