Inconsistent return value handling rule#10

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GrosQuildu wants to merge 6 commits intomainfrom InconsistentReturnValueHandling

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Commits on Jul 2, 2024

initial work for InconsistentReturnValueHandling
GrosQuildu
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Commits on Jul 9, 2024

InconsistentReturnValueHandling - small changes
GrosQuildu
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