Adding docstrings to more complex checkers. #2933
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While working on code for Log Detective, I have noticed that most checkers don't have any documentation.
If they are short, the code is enough, but in some cases they can be complex and have side effects.
I have written some short explanatory docstrings for those checkers that seemed to need them,
and placed them on the class level, so they can be seen when someone hovers over the class name in IDE.
Technically, you could put them in the
_pre_checkmethod, but this way it's more user friendly.I deliberately decided against describing operation of simple checkers and details of operation.
This PR is only focusing on parts that may give people trouble.
RELEASE NOTES BEGIN
Enhanced documentation of checker classes.
RELEASE NOTES END