Support serializing FlagConfigResponse#119

hbordersTwitch wants to merge 2 commits intoEppo-exp:mainEppo-exp/sdk-common-jdk:mainfrom

hbordersTwitch:hbordersTwitch/add_serializationhbordersTwitch/sdk-common-jdk:hbordersTwitch/add_serializationCopy head branch name to clipboard