Method has

packages/next/src/server/lib/lru-cache.ts:171–173

* Checks if a key exists in the cache. * This is a pure query operation - does NOT update LRU order. * * Time Complexity: O(1)

(key: string)

   * Time Complexity: O(1)
   */
  public has(key: string): boolean {
    return this.cache.has(key)
  }

  /**
   * Retrieves a value by key and marks it as most recently used.