pub trait KeyContainer: Send + Sync {
    // Required method
    fn get_key(
        &self,
        org_id: &Option<Uuid>,
    ) -> Result<&SymmetricCryptoKey, CryptoError>;
}pub trait KeyContainer: Send + Sync {
    // Required method
    fn get_key(
        &self,
        org_id: &Option<Uuid>,
    ) -> Result<&SymmetricCryptoKey, CryptoError>;
}