GetEncryptedValue retrieves a value from the config for the given key and decrypts is, or an error if the key is not found.

GetEncryptedValueWithDefault retrieves a value from the config for the given key and decrypts it, or the default if the key is not found.

GetValue retrieves a value from the config for the given key, or an error if the key is not found.

GetValueWithDefault retrieves a value from the config for the given key, or the default if the key is not found.

LoadEnvironmentFile loads the appropriate .env config file, based on the defined ENV environment variable.