coding style polishing
Remove most checkstyle complaints:
Priority wishlist:
- Each variable declaration must be in its own statement. [MultipleVariableDeclarations], b/c this really enhances readability and could trip some IDEs when refactoring variable names.
- '' should be on a new line. [OperatorWrap]
- Missing a Javadoc comment. [JavadocMethod]
- others
It still needs to be verified, if our exceptions from Google-style are reflected in the checks. If not, metrics_checks.xml has to be changed accordingly.
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