export declare const ShadowElements: string[];
/**
 * Note that you can't attach a shadow root to every type of element.
 *
 * There are some that can't have a shadow DOM for security reasons (for example <a>), and more besides.
 *
 * The following is a list of elements you can attach a shadow root to:
 * Any autonomous custom element with a valid name,
 * and [
 * article, aside, blockquote, body, div,footer,
 * h1, h2, h3, h4, h5, h6,
 * header, main, nav, p, section, span
 * ]
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/API/Element/attachShadow#elements_you_can_attach_a_shadow_to
 * @param tagName
 * @returns
 */
export declare function canAttachShadow(tagName: string): boolean;
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