3. Convert them to standalone utility functions
Do this. It was fashionable for awhile to add more rightward arrows to your code (see e.g. File::Spec vs. File::Spec::Functions). Then the fashion was to write standalone functions that dealt with this "OO" nonsense and call them a "DSL". All of these options were terrible.

In reply to Re: How to deal with old OO code that mixes instance methods with class methods by educated_foo
in thread How to deal with old OO code that mixes instance methods with class methods by eyepopslikeamosquito

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