declare module 'mjml-browser' {
    const transform: (vml: string, options?: {
        beautify?: boolean;
        minify?: boolean;
        keepComments?: boolean;
        validationLevel: 'strict' | 'soft' | 'skip';
    }) => {
        json: MjmlBlockItem;
        html: string;
        errors: string[];
    };
    export default transform;
}
interface MjmlBlockItem {
    file: string;
    absoluteFilePath: string;
    line: number;
    includedIn: any[];
    tagName: string;
    children: IChildrenItem[];
    attributes: IAttributes;
    content?: string;
}
interface IChildrenItem {
    file?: string;
    absoluteFilePath?: string;
    line: number;
    includedIn: any[];
    tagName: string;
    children?: IChildrenItem[];
    attributes: IAttributes;
    content?: string;
    inline?: 'inline';
}
interface IAttributes {
    [key: string]: any;
}