Move the multimap assertions out of api package#15

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mattbertolini wants to merge 2 commits intoassertj:mainfrom

mattbertolini:mbertolini/move-multimap-package-remove-api

Commits on Apr 5, 2026

Move the multimap assertions and core entrypoint assertion types out of the api package.
mattbertolini
committed

Commits on Apr 14, 2026

Make package structure match assertj conventions
mattbertolini
committed