feat: support type-safe variant values for InMemoryProvider#1356

toddbaert merged 7 commits intoopen-feature:mainopen-feature/js-sdk:mainfrom

MattIPv4:MattIPv4/type-safe-in-memory-providerMattIPv4/js-sdk:MattIPv4/type-safe-in-memory-providerCopy head branch name to clipboard