Method has

backend/api/src/postgres-proxy/utils/cache.util.ts:112–115

* Checks if a key exists in cache (without updating access stats)

(key: string)

   * Checks if a key exists in cache (without updating access stats)
   */
  has(key: string): boolean {
    const entry = this.cache.get(key);
    return entry !== undefined && !this.isExpired(entry);
  }

  /**
   * Deletes a specific key from cache