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/** * Checks if a `cache` value for `key` exists. * * @private * @param {Object} cache The cache to query. * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */function cacheHas(cache, key) {  return cache.has(key);}
module.exports = cacheHas;