"""Fernet-encrypted credential storage for user-registered DB connections.

Receives the working implementation from the previous
src/utils/db_credential_encryption.py during the cleanup phase.

Key: settings.dataeyond__db__credential__key (Fernet, kept out of source).
"""


def encrypt_credential(plaintext: str) -> str:
    raise NotImplementedError


def decrypt_credential(ciphertext: str) -> str:
    raise NotImplementedError