/**
 * Mixin to manage whether the custom component has a shadow root or not
 * @param Base
 * @returns
 */
declare const ShadowRootMixin: (Base: any) => {
    new (): {
        [x: string]: any;
        /**
         * The DOM document in which this component is updated
         */
        readonly document: any;
    };
    [x: string]: any;
};
export default ShadowRootMixin;
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