def list_available_zones():
    """
    Lists the Availability Zones that have available AWS CloudHSM capacity.
    See also: AWS API Documentation
    
    
    :example: response = client.list_available_zones()
    
    
    :rtype: dict
    :return: {
        'AZList': [
            'string',
        ]
    }
    
    
    """
    pass
