import { IPage } from "../components/core/blocks/basic/Page";
import { BlockType } from "../constants";
import { IBlockData } from "../typings";
export declare type TransformToMjmlOption = {
    data: IBlockData;
    idx: string | null;
    context: IBlockData;
    mode: "testing";
    preview?: boolean;
    mergeData?: any;
    dimension?: any;
} | {
    idx?: string | null;
    data: IBlockData;
    context: IBlockData;
    mode: "production";
    preview?: boolean;
    mergeData?: any;
    dimension?: any;
};
export declare function transformToMjml(options: TransformToMjmlOption): string;
export declare function renderPlaceholder(type: BlockType): string;
export declare function generaMjmlMetaData(data: IPage): string;