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.collect.StandardTable$Row$2 extends com.google.common.collect.ForwardingMapEntry<C, V>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.collect.StandardTable$Row$2
  super_class: com.google.common.collect.ForwardingMapEntry
{
  final com.google.common.collect.StandardTable$Row this$1;
    descriptor: Lcom/google/common/collect/StandardTable$Row;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final java.util.Map$Entry val$entry;
    descriptor: Ljava/util/Map$Entry;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.google.common.collect.StandardTable$Row, java.util.Map$Entry);
    descriptor: (Lcom/google/common/collect/StandardTable$Row;Ljava/util/Map$Entry;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.google.common.collect.StandardTable$Row$2 this
         0: .line 396
            aload 0 /* this */
            aload 1
            putfield com.google.common.collect.StandardTable$Row$2.this$1:Lcom/google/common/collect/StandardTable$Row;
            aload 0 /* this */
            aload 2
            putfield com.google.common.collect.StandardTable$Row$2.val$entry:Ljava/util/Map$Entry;
            aload 0 /* this */
            invokespecial com.google.common.collect.ForwardingMapEntry.<init>:()V
            return
        end local 0 // com.google.common.collect.StandardTable$Row$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/StandardTable$Row$2;
    MethodParameters:
           Name  Flags
      this$0     final
      val$entry  final

  protected java.util.Map$Entry<C, V> delegate();
    descriptor: ()Ljava/util/Map$Entry;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.StandardTable$Row$2 this
         0: .line 399
            aload 0 /* this */
            getfield com.google.common.collect.StandardTable$Row$2.val$entry:Ljava/util/Map$Entry;
            areturn
        end local 0 // com.google.common.collect.StandardTable$Row$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/StandardTable$Row$2;
    Signature: ()Ljava/util/Map$Entry<TC;TV;>;

  public V setValue();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.StandardTable$Row$2 this
        start local 1 // java.lang.Object value
         0: .line 404
            aload 0 /* this */
            aload 1 /* value */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            invokespecial com.google.common.collect.ForwardingMapEntry.setValue:(Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object value
        end local 0 // com.google.common.collect.StandardTable$Row$2 this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/google/common/collect/StandardTable$Row$2;
            0    1     1  value  TV;
    Signature: (TV;)TV;
    MethodParameters:
       Name  Flags
      value  

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.StandardTable$Row$2 this
        start local 1 // java.lang.Object object
         0: .line 410
            aload 0 /* this */
            aload 1 /* object */
            invokevirtual com.google.common.collect.StandardTable$Row$2.standardEquals:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object object
        end local 0 // com.google.common.collect.StandardTable$Row$2 this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lcom/google/common/collect/StandardTable$Row$2;
            0    1     1  object  Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      object  

  protected java.lang.Object delegate();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1044) ACC_PROTECTED, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual com.google.common.collect.StandardTable$Row$2.delegate:()Ljava/util/Map$Entry;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lcom/google/common/collect/ForwardingMapEntry<TC;TV;>;
SourceFile: "StandardTable.java"
EnclosingMethod: com.google.common.collect.StandardTable$Row.wrapEntry:(Ljava/util/Map$Entry;)Ljava/util/Map$Entry;
NestHost: com.google.common.collect.StandardTable
InnerClasses:
  Row = com.google.common.collect.StandardTable$Row of com.google.common.collect.StandardTable
  com.google.common.collect.StandardTable$Row$2
  public abstract Entry = java.util.Map$Entry of java.util.Map