-`NONE`::
-`N`::
- Logging is disabled.
-
-`FATAL`::
-`F`::
- Severe errors that lead the execution to abort immediately. This
- level should be enabled in production.
-
-`ERROR`::
-`E`::
- Errors that might still allow the execution to continue. Usually,
- once one or more errors are reported at this level, the application,
- plugin, or library won't perform any more useful task, but it should
- still exit cleanly. This level should be enabled in production.
-
-`WARN`::
-`WARNING`::
-`W`::
- Potentially harmful situations which still allow the execution
- to continue. This level should be enabled in production.
-
-`INFO`::
-`I`::
- Informational messages that highlight progress or important states
- of the application, plugin, or library. This level can be enabled in
- production.
-
-`DEBUG`::
-`D`::
- Debugging information, with a higher level of details than the
- `TRACE` level. This level should :not: be enabled in production.
-
-`TRACE`::
-`T`::
- Low-level debugging context information. This level should :not: be
- enabled in production.