export declare class WhatsappWidget {
    name: string;
    email: string;
    mobile: string;
    message: string;
    errors: {
        [key: string]: string;
    };
    isChatBoxVisible: boolean;
    phoneNumber: string;
    apiKey: string;
    validateForm(): boolean;
    handleSubmit(): void;
    toggleChatBox(): void;
    componentDidLoad(): void;
    render(): any;
}