https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 
class com.google.common.util.concurrent.MoreExecutors$1 implements java.lang.Runnable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.util.concurrent.MoreExecutors$1
  super_class: java.lang.Object
{
  private final java.util.concurrent.BlockingQueue val$queue;
    descriptor: Ljava/util/concurrent/BlockingQueue;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final com.google.common.util.concurrent.ListenableFuture val$future;
    descriptor: Lcom/google/common/util/concurrent/ListenableFuture;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(java.util.concurrent.BlockingQueue, com.google.common.util.concurrent.ListenableFuture);
    descriptor: (Ljava/util/concurrent/BlockingQueue;Lcom/google/common/util/concurrent/ListenableFuture;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.google.common.util.concurrent.MoreExecutors$1 this
         0: .line 740
            aload 0 /* this */
            aload 1
            putfield com.google.common.util.concurrent.MoreExecutors$1.val$queue:Ljava/util/concurrent/BlockingQueue;
            aload 0 /* this */
            aload 2
            putfield com.google.common.util.concurrent.MoreExecutors$1.val$future:Lcom/google/common/util/concurrent/ListenableFuture;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.util.concurrent.MoreExecutors$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/util/concurrent/MoreExecutors$1;
    MethodParameters:
            Name  Flags
      val$queue   final
      val$future  final

  public void run();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.util.concurrent.MoreExecutors$1 this
         0: .line 743
            aload 0 /* this */
            getfield com.google.common.util.concurrent.MoreExecutors$1.val$queue:Ljava/util/concurrent/BlockingQueue;
            aload 0 /* this */
            getfield com.google.common.util.concurrent.MoreExecutors$1.val$future:Lcom/google/common/util/concurrent/ListenableFuture;
            invokeinterface java.util.concurrent.BlockingQueue.add:(Ljava/lang/Object;)Z
            pop
         1: .line 744
            return
        end local 0 // com.google.common.util.concurrent.MoreExecutors$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/util/concurrent/MoreExecutors$1;
}
SourceFile: "MoreExecutors.java"
EnclosingMethod: com.google.common.util.concurrent.MoreExecutors.submitAndAddQueueListener:(Lcom/google/common/util/concurrent/ListeningExecutorService;Ljava/util/concurrent/Callable;Ljava/util/concurrent/BlockingQueue;)Lcom/google/common/util/concurrent/ListenableFuture;
NestHost: com.google.common.util.concurrent.MoreExecutors
InnerClasses:
  com.google.common.util.concurrent.MoreExecutors$1