import { Element, PageElement } from "../typings";
/** 输出格式：普通 MJML 或 AMP Email */
export type MjmlOutputFormat = "mjml" | "amp-mjml";
export type JsonToMjmlOption = {
    element: Element;
    pageElement?: PageElement;
    mode: "testing" | "production";
    /** 转成 AMP Email 还是普通 MJML，默认 "mjml" */
    outputFormat?: MjmlOutputFormat;
    beautify?: boolean;
    universalElements?: {
        elements: Record<string, Element>;
    };
    displayMode?: "desktop-mobile" | "only-desktop" | "only-mobile";
    keepEmptyAttributes?: boolean;
    idx?: string;
    mergetagsData?: Record<string, any>;
    attributesVariables?: Record<string, any>;
    headerElement?: Element;
    footerElement?: Element;
};
export declare const isProductionMode: (option: JsonToMjmlOption) => boolean;