export declare class WhatsAppPersonalization {
    to: string;
    data: {
        header?: string[];
        body?: string[];
        buttons?: string[];
    };
    constructor(to: string);
    setHeader(header: string[]): WhatsAppPersonalization;
    setBody(body: string[]): WhatsAppPersonalization;
    setButtons(buttons: string[]): WhatsAppPersonalization;
}