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. 
final class com.google.common.util.concurrent.CollectionFuture$Present<V>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.google.common.util.concurrent.CollectionFuture$Present
  super_class: java.lang.Object
{
  V value;
    descriptor: Ljava/lang/Object;
    flags: (0x0000) 
    Signature: TV;

  void <init>();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.util.concurrent.CollectionFuture$Present this
        start local 1 // java.lang.Object value
         0: .line 104
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 105
            aload 0 /* this */
            aload 1 /* value */
            putfield com.google.common.util.concurrent.CollectionFuture$Present.value:Ljava/lang/Object;
         2: .line 106
            return
        end local 1 // java.lang.Object value
        end local 0 // com.google.common.util.concurrent.CollectionFuture$Present this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lcom/google/common/util/concurrent/CollectionFuture$Present<TV;>;
            0    3     1  value  TV;
    Signature: (TV;)V
    MethodParameters:
       Name  Flags
      value  
}
Signature: <V:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "CollectionFuture.java"
NestHost: com.google.common.util.concurrent.CollectionFuture
InnerClasses:
  private final Present = com.google.common.util.concurrent.CollectionFuture$Present of com.google.common.util.concurrent.CollectionFuture