export declare function setNodeOwnerKey(node: Node, value: number): void;
export declare function setNodeKey(node: Node, value: number): void;
export declare function getNodeOwnerKey(node: Node): number | undefined;
export declare function getNodeNearestOwnerKey(node: Node): number | undefined;
export declare function getNodeKey(node: Node): number | undefined;
/**
 * This function does not traverse up for performance reasons, but is sufficient for most use
 * cases. If we need to traverse up and verify those nodes that don't have owner key, use
 * isNodeDeepShadowed instead.
 * @param node
 */
export declare function isNodeShadowed(node: Node): boolean;
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