androidx.arch.core.executor.DefaultTaskExecutor$1 -> yc0:
# {"id":"sourceFile","fileName":"DefaultTaskExecutor.java"}
    java.util.concurrent.atomic.AtomicInteger mThreadId -> a
    1:3:void <init>(androidx.arch.core.executor.DefaultTaskExecutor):42:42 -> <init>
      # {"id":"com.android.tools.r8.residualsignature","signature":"()V"}
    4:12:void <init>(androidx.arch.core.executor.DefaultTaskExecutor):45:45 -> <init>
    1:5:java.lang.Thread newThread(java.lang.Runnable):49:49 -> newThread
    6:29:java.lang.Thread newThread(java.lang.Runnable):50:50 -> newThread
