"""
This module serves as the package initializer for ``SCAutolib.models``.
It signifies that ``models`` is a Python package and can contain multiple
sub-modules, each defining specific model classes.
These model classes encapsulate the core data structures and low-level
functionalities related to various components of smart card automation,
such as Certificate Authorities (CAs), users, smart cards, and configuration
files, as seen in other files within this directory.
"""
