com_baeldung_rxjava_UtilityOperatorsIntegrationTest_java
rx.internal.schedulers.CachedThreadScheduler$CachedWorkerPool$1
 -> java.util.concurrent.ThreadFactory.newThread(java.lang.Runnable): java.lang.Thread -> java.lang.StringBuilder.append(java.lang.String): java.lang.StringBuilder -> java.lang.StringBuilder.append(long): java.lang.StringBuilder -> java.lang.StringBuilder.toString(): java.lang.String -> java.lang.Thread.setDaemon(boolean): void -> java.lang.Thread.getName(): java.lang.String -> java.lang.StringBuilder.append(java.lang.String): java.lang.StringBuilder -> java.lang.StringBuilder.append(java.lang.String): java.lang.StringBuilder -> java.lang.StringBuilder.toString(): java.lang.String -> java.lang.Thread.setName(java.lang.String): void