Fix Javadoc warning#860

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tsh-hashimoto wants to merge 7 commits into

opensourcecobol:developfrom

tsh-hashimoto:doc/fix-javadoc-warning

Commits on Jul 21, 2026

Fix javadoc CI to actually fail on warnings

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Capture javadoc stderr so CI fails on warnings

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Add private constructors to static utility classes for javadoc

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Add documented default constructors to data classes for javadoc

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Add @return to C$SLEEP javadoc

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Revert javadoc.yml CI changes

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Satisfy PMD after javadoc constructor changes

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