Purpose: This configuration parameter controls the type and amount of debug information output to Apple console (connected directly, or otherwise).
Status: Currently in use.
Category: Single level, run-time information.
Usage: Minimum debug info, including a summary of all errors: 0. More debug info and more info of errors: 1. More info, including details of configuration file handling: 2. All debug info: 3.
Development plans: A more granular approach is planned for version 2.