API Reference
============

Core Functions
-------------

Database Operations
^^^^^^^^^^^^^^^^^

.. code-block:: python

    def connect_database(host: str, port: int) -> Connection:
        """
        Establish database connection.
        
        Args:
            host (str): Database host address
            port (int): Port number
            
        Returns:
            Connection: Database connection object
        """
        # Implementation details

Authentication
^^^^^^^^^^^^^

.. code-block:: python

    def authenticate_user(username: str, password: str) -> bool:
        """
        Authenticate user credentials.
        
        Args:
            username (str): User's username
            password (str): User's password
            
        Returns:
            bool: Authentication status
        """
        # Implementation details

Error Codes
----------

=======  ================================
Code     Description
=======  ================================
1001     Database connection failed
1002     Authentication failed
1003     Invalid input parameters
1004     Resource not found
=======  ================================