com_baeldung_rxjava_operators_RxFlatmapAndSwitchmapUnitTest_java
io.reactivex.internal.queue.SpscLinkedArrayQueue
 -> java.util.concurrent.atomic.AtomicLong.get(): long -> java.util.concurrent.atomic.AtomicReferenceArray.lazySet(int,java.lang.Object): void -> java.util.concurrent.atomic.AtomicLong.lazySet(long): void