export interface SendWhatsAppMessageInput {
    phoneNumber: string;
    text: string;
}
export interface WhatsAppConfig {
    token: string;
    phoneNumberId: string;
    apiUrl: string;
    apiVersion: string;
}
export declare class WhatsAppService {
    private config;
    constructor(config: WhatsAppConfig);
    /**
     * Envia mensagem de texto via WhatsApp Business API
     */
    sendTextMessage(input: SendWhatsAppMessageInput): Promise<boolean>;
}