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.AbstractIdleService$DelegateService$2 implements java.lang.Runnable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.util.concurrent.AbstractIdleService$DelegateService$2
  super_class: java.lang.Object
{
  final com.google.common.util.concurrent.AbstractIdleService$DelegateService this$1;
    descriptor: Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.google.common.util.concurrent.AbstractIdleService$DelegateService);
    descriptor: (Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.util.concurrent.AbstractIdleService$DelegateService$2 this
         0: .line 75
            aload 0 /* this */
            aload 1
            putfield com.google.common.util.concurrent.AbstractIdleService$DelegateService$2.this$1:Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.util.concurrent.AbstractIdleService$DelegateService$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService$2;
    MethodParameters:
        Name  Flags
      this$0  final

  public void run();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.google.common.util.concurrent.AbstractIdleService$DelegateService$2 this
         0: .line 79
            aload 0 /* this */
            getfield com.google.common.util.concurrent.AbstractIdleService$DelegateService$2.this$1:Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService;
            invokestatic com.google.common.util.concurrent.AbstractIdleService$DelegateService.access$0:(Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService;)Lcom/google/common/util/concurrent/AbstractIdleService;
            invokevirtual com.google.common.util.concurrent.AbstractIdleService.shutDown:()V
         1: .line 80
            aload 0 /* this */
            getfield com.google.common.util.concurrent.AbstractIdleService$DelegateService$2.this$1:Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService;
            invokevirtual com.google.common.util.concurrent.AbstractIdleService$DelegateService.notifyStopped:()V
         2: .line 81
            goto 5
      StackMap locals:
      StackMap stack: java.lang.Throwable
         3: astore 1 /* t */
        start local 1 // java.lang.Throwable t
         4: .line 82
            aload 0 /* this */
            getfield com.google.common.util.concurrent.AbstractIdleService$DelegateService$2.this$1:Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService;
            aload 1 /* t */
            invokevirtual com.google.common.util.concurrent.AbstractIdleService$DelegateService.notifyFailed:(Ljava/lang/Throwable;)V
        end local 1 // java.lang.Throwable t
         5: .line 84
      StackMap locals:
      StackMap stack:
            return
        end local 0 // com.google.common.util.concurrent.AbstractIdleService$DelegateService$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lcom/google/common/util/concurrent/AbstractIdleService$DelegateService$2;
            4    5     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     2       3  Class java.lang.Throwable
}
SourceFile: "AbstractIdleService.java"
EnclosingMethod: com.google.common.util.concurrent.AbstractIdleService$DelegateService.doStop:()V
NestHost: com.google.common.util.concurrent.AbstractIdleService
InnerClasses:
  private final DelegateService = com.google.common.util.concurrent.AbstractIdleService$DelegateService of com.google.common.util.concurrent.AbstractIdleService
  com.google.common.util.concurrent.AbstractIdleService$DelegateService$2