* Move more public types to records
(cherry picked from commit 35e58895f5379e78b856e8997a593701c6d9db21)
* chore: pull in PlacementType
* fix: mask reference in NegatedMask
* Use records in expression impl
(cherry picked from commit 453537c5b4783412aa1b4e982d7b72c637d0db8e)
* fix: variable record getter access
* chore: add since to Deprecated annotation
* chore: revert weird merge in ClientProxy
* chore: cleanup remaining deprecations
* chore: code-style
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Co-authored-by: Octavia Togami <octavia.togami@gmail.com>