function hybridDecrypt hybridDecrypt(encrypted: OwnerKeyEncrypted,privateKey: CryptoKey,): Promise<string> Decrypt data using hybrid encryption Expects format: hyb:1:$base64WrappedKey:$base64iv:$base64ciphertext Results are cached in a bounded LRU (ciphertext -> plaintext) Parameters encrypted: OwnerKeyEncrypted privateKey: CryptoKey Return Type Promise<string>