com_baeldung_mono_MonoUnitTest_java
reactor.core.publisher.FluxFlattenIterable$FlattenIterableSubscriber
 -> java.util.concurrent.atomic.AtomicIntegerFieldUpdater.getAndIncrement(java.lang.Object): int -> java.util.Queue.poll(): java.lang.Object -> java.util.concurrent.atomic.AtomicIntegerFieldUpdater.lazySet(java.lang.Object,int): void -> java.util.function.Function.apply(java.lang.Object): java.lang.Object -> java.lang.Iterable.iterator(): java.util.Iterator -> java.util.Iterator.hasNext(): boolean -> java.util.Queue.poll(): java.lang.Object -> java.util.Objects.requireNonNull(java.lang.Object,java.lang.String): java.lang.Object -> java.util.function.Supplier.get(): java.lang.Object -> java.lang.System.currentTimeMillis(): long -> java.lang.Long.valueOf(long): java.lang.Long -> java.util.concurrent.atomic.AtomicBoolean.get(): boolean -> java.lang.ThreadLocal.get(): java.lang.Object -> java.lang.Boolean.equals(java.lang.Object): boolean -> java.lang.ThreadLocal.set(java.lang.Object): void -> java.util.concurrent.atomic.AtomicBoolean.get(): boolean -> java.text.SimpleDateFormat.format(java.util.Date): java.lang.String -> java.lang.String.getBytes(): byte[] -> java.util.concurrent.locks.ReentrantLock.lock(): void -> java.io.OutputStream.write(byte[]): void -> java.io.PrintStream.write(byte[]): void -> java.io.OutputStream.flush(): void -> java.io.PrintStream.flush(): void -> java.util.concurrent.locks.ReentrantLock.unlock(): void -> java.lang.ThreadLocal.set(java.lang.Object): void -> java.util.Objects.requireNonNull(java.lang.Object,java.lang.String): java.lang.Object -> java.util.Objects.requireNonNull(java.lang.Object,java.lang.String): java.lang.Object -> java.util.Objects.requireNonNull(java.lang.Object,java.lang.String): java.lang.Object -> java.util.Objects.requireNonNull(java.lang.Object,java.lang.String): java.lang.Object -> java.util.Objects.requireNonNull(java.lang.Object): java.lang.Object -> java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet(java.lang.Object,int,int): boolean -> java.util.concurrent.atomic.AtomicIntegerFieldUpdater.decrementAndGet(java.lang.Object): int -> java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet(java.lang.Object,int,int): boolean -> java.util.function.Consumer.accept(java.lang.Object): void -> java.util.concurrent.atomic.AtomicBoolean.get(): boolean -> java.lang.ThreadLocal.get(): java.lang.Object -> java.lang.Boolean.equals(java.lang.Object): boolean -> java.lang.ThreadLocal.set(java.lang.Object): void -> java.util.concurrent.atomic.AtomicBoolean.get(): boolean -> java.text.SimpleDateFormat.format(java.util.Date): java.lang.String -> java.lang.String.getBytes(): byte[] -> java.util.concurrent.locks.ReentrantLock.lock(): void -> java.io.OutputStream.write(byte[]): void -> java.io.PrintStream.write(byte[]): void -> java.io.OutputStream.flush(): void -> java.io.PrintStream.flush(): void -> java.util.concurrent.locks.ReentrantLock.unlock(): void -> java.lang.ThreadLocal.set(java.lang.Object): void -> java.util.Queue.peek(): java.lang.Object -> java.util.Queue.peek(): java.lang.Object -> java.util.Queue.poll(): java.lang.Object -> java.util.function.BiFunction.apply(java.lang.Object,java.lang.Object): java.lang.Object -> java.util.Objects.equals(java.lang.Object,java.lang.Object): boolean -> java.util.Optional.empty(): java.util.Optional -> java.util.Optional.isPresent(): boolean -> java.util.Queue.peek(): java.lang.Object -> java.lang.Runnable.run(): void -> java.util.concurrent.atomic.AtomicBoolean.get(): boolean -> java.lang.ThreadLocal.get(): java.lang.Object -> java.lang.Boolean.equals(java.lang.Object): boolean -> java.lang.ThreadLocal.set(java.lang.Object): void -> java.util.concurrent.atomic.AtomicBoolean.get(): boolean -> java.text.SimpleDateFormat.format(java.util.Date): java.lang.String -> java.lang.String.getBytes(): byte[] -> java.util.concurrent.locks.ReentrantLock.lock(): void -> java.io.OutputStream.write(byte[]): void -> java.io.PrintStream.write(byte[]): void -> java.io.OutputStream.flush(): void -> java.io.PrintStream.flush(): void -> java.util.concurrent.locks.ReentrantLock.unlock(): void -> java.lang.ThreadLocal.set(java.lang.Object): void -> java.util.Queue.peek(): java.lang.Object -> java.util.Queue.peek(): java.lang.Object -> java.util.Queue.poll(): java.lang.Object -> java.util.function.BiFunction.apply(java.lang.Object,java.lang.Object): java.lang.Object -> java.util.Optional.empty(): java.util.Optional -> java.util.Optional.isPresent(): boolean -> java.util.Queue.peek(): java.lang.Object -> java.util.concurrent.CountDownLatch.countDown(): void