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.Futures$1 implements java.lang.Runnable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.util.concurrent.Futures$1
  super_class: java.lang.Object
{
  private final java.util.concurrent.Future val$scheduled;
    descriptor: Ljava/util/concurrent/Future;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(java.util.concurrent.Future);
    descriptor: (Ljava/util/concurrent/Future;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.util.concurrent.Futures$1 this
         0: .line 272
            aload 0 /* this */
            aload 1
            putfield com.google.common.util.concurrent.Futures$1.val$scheduled:Ljava/util/concurrent/Future;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.util.concurrent.Futures$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/util/concurrent/Futures$1;
    MethodParameters:
               Name  Flags
      val$scheduled  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.Futures$1 this
         0: .line 276
            aload 0 /* this */
            getfield com.google.common.util.concurrent.Futures$1.val$scheduled:Ljava/util/concurrent/Future;
            iconst_0
            invokeinterface java.util.concurrent.Future.cancel:(Z)Z
            pop
         1: .line 277
            return
        end local 0 // com.google.common.util.concurrent.Futures$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/util/concurrent/Futures$1;
}
SourceFile: "Futures.java"
EnclosingMethod: com.google.common.util.concurrent.Futures.scheduleAsync:(Lcom/google/common/util/concurrent/AsyncCallable;JLjava/util/concurrent/TimeUnit;Ljava/util/concurrent/ScheduledExecutorService;)Lcom/google/common/util/concurrent/ListenableFuture;
NestHost: com.google.common.util.concurrent.Futures
InnerClasses:
  com.google.common.util.concurrent.Futures$1