|                           |  | type VisitorKeys$1 = {    readonly [type: string]: readonly string[];};/** * @typedef {{ readonly [type: string]: ReadonlyArray<string> }} VisitorKeys *//** * @type {VisitorKeys} */declare const KEYS: VisitorKeys$1;
/** * Get visitor keys of a given node. * @param {object} node The AST node to get keys. * @returns {readonly string[]} Visitor keys of the node. */declare function getKeys(node: object): readonly string[];/** * Make the union set with `KEYS` and given keys. * @param {VisitorKeys} additionalKeys The additional keys. * @returns {VisitorKeys} The union set. */declare function unionWith(additionalKeys: VisitorKeys): VisitorKeys;
type VisitorKeys = VisitorKeys$1;
export { KEYS, VisitorKeys, getKeys, unionWith };
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