export declare const findDocumentOrShadowRoot: (node: Node) => DocumentOrShadowRoot;
export declare const elementHasAncestor: (node: Node, ancestor: Node) => boolean;
export declare const elementHasDescendant: (node: Node, descendant: Node) => boolean;
export declare const findActiveElement: (node?: Node, includeSelf?: boolean) => HTMLElement | null;
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