Antipattern number of tokens

Is it necessary that the number of tokens in the antipattern is the same as the number of tokens in the pattern?
If it is, it might be a useful test to add.
If it is not, for the better.

No, there is no such restriction. The number of tokens in a pattern-antipattern pair need not be identical.

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No, It’s not compulsory to be the same number of pattern and antipattern.