interface ShadyCSS {
    nativeCss: boolean;
    nativeShadow: boolean;
    styleElement(host: Element, overrideProps?: {
        [key: string]: string;
    }): void;
    prepareTemplateDom(template: Element, elementName: string): void;
    prepareTemplateStyles(template: Element, elementName: string, typeExtension?: string): void;
    ScopingShim: undefined | {
        prepareAdoptedCssText(cssTextArray: string[], elementName: string): void;
    };
}
interface ShadyDOM {
    inUse: boolean;
}
interface Window {
    ShadyCSS?: ShadyCSS;
    ShadyDOM?: ShadyDOM;
}