feat: commonizes several FDv2 related types in Internal #323

Job	Run time
build-test-java-server-sdk-redis-store (7.1.0)	55s
build-test-java-server-sdk-redis-store (3.6.0)	54s
build-test-java-server-sdk-windows (3.6.0)	1m 25s
build-test-java-server-sdk-windows (7.1.0)	3m 36s
	6m 50s

Provide feedback