Add some constants for other CNCF projects

[jonesbusy]

Description

Add some constants for other CNCF projects

Testing done

Updated tests

Submitter checklist

• I have read and understood the CONTRIBUTING guide
• I have run mvn license:update-file-header, mvn spotless:apply, pre-commit run -a, mvn clean install before opening the PR

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.50%. Comparing base (3c4a84b) to head (757f137).

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #710      +/-   ##
============================================
+ Coverage     86.94%   87.50%   +0.56%     
  Complexity      972      972              
============================================
  Files            45       45              
  Lines          3026     3026              
  Branches        379      379              
============================================
+ Hits           2631     2648      +17     
+ Misses          234      217      -17     
  Partials        161      161              

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