Classify smells by the first refactoring move they suggest.
Sort each code smell into the proportional first refactoring move. Extract shared behavior Introduce named concept Name the literal Delete after evidence Same email-domain validation copied in checkout and admin Three callers repeat the same active-discount condition startDate, endDate, and graceDays travel together through reports Street, city, country, and postal code are passed as a group 86400 appears in cache and renewal calculations 0.875 decides eligibility with no domain name A feature flag has been false for nine months with no reads in logs A branch handles a plan type removed from production last year
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