Use a ConcurrentHashMap
for CacheState#map
#176
Merged
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ConcurrentHashMap
is supported on all platforms now (JVM, JS, Native) so we don't need to have platform-specific implementations. This makes the code simpler but also avoids virtual interface dispatches from method calls on the Map interface.Note that while these changes are not technically binary compatible, they're safe as all the classes are defined as private so I added mima exclusions for them.