export interface MessagePart {
    callback?: {
        label: string;
        payload: string;
    };
    collection?: {
        sub_parts: MessagePart[];
    };
    file?: {
        content_type: string;
        file_size_in_bytes: number;
        name: string;
        url: string;
    };
    image?: {
        url: string;
    };
    quick_reply_button?: {
        custom_reply_text?: string;
        label: string;
        payload?: string;
    };
    reference?: {
        label: string;
        placeholder_reference_id?: string;
        reference_id?: string;
    };
    template_content?: {
        sections: {
            name: string;
            parts: MessagePart[];
        }[];
        type: string;
    };
    text?: {
        content: string;
    };
    url_button?: {
        label: string;
        target?: '_self' | '_blank';
        url: string;
    };
}