chore: suppress rawtypes in selected classes

[vil02]

This PR includes rawtypes into the active compiler warnings and suppresses it for the classes causing problems.

I see the following advantages:

• all remaining code (including potential new code) will be compiled with this warning enabled,
• it allows to split the task of resolving all of these warnings into reasonable chunks.

If this will be merged, I will create similar pull requests for the remaining warnings, i.e. auxiliaryclass and unchecked.

Continuation of #5165.

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.05%. Comparing base (27a7740) to head (8ed012e).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6261      +/-   ##
============================================
- Coverage     74.07%   74.05%   -0.02%     
+ Complexity     5351     5349       -2     
============================================
  Files           677      677              
  Lines         18648    18648              
  Branches       3621     3621              
============================================
- Hits          13813    13810       -3     
- Misses         4276     4277       +1     
- Partials        559      561       +2     

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[alxkm]

Thank you! It's great that this additional check is included.