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.collect.MapMakerInternalMap$StrongKeyDummyValueEntry<K> extends com.google.common.collect.MapMakerInternalMap$AbstractStrongKeyEntry<K, com.google.common.collect.MapMaker$Dummy, com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry<K>> implements com.google.common.collect.MapMakerInternalMap$StrongValueEntry<K, com.google.common.collect.MapMaker$Dummy, com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry<K>>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry
  super_class: com.google.common.collect.MapMakerInternalMap$AbstractStrongKeyEntry
{
  void <init>(K, int, com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry<K>);
    descriptor: (Ljava/lang/Object;ILcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
        start local 1 // java.lang.Object key
        start local 2 // int hash
        start local 3 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry next
         0: .line 574
            aload 0 /* this */
            aload 1 /* key */
            iload 2 /* hash */
            aload 3 /* next */
            invokespecial com.google.common.collect.MapMakerInternalMap$AbstractStrongKeyEntry.<init>:(Ljava/lang/Object;ILcom/google/common/collect/MapMakerInternalMap$InternalEntry;)V
         1: .line 575
            return
        end local 3 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry next
        end local 2 // int hash
        end local 1 // java.lang.Object key
        end local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;
            0    2     1   key  TK;
            0    2     2  hash  I
            0    2     3  next  Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;
    Signature: (TK;ILcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;)V
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
      Name  Flags
      key   
      hash  
      next  

  public com.google.common.collect.MapMaker$Dummy getValue();
    descriptor: ()Lcom/google/common/collect/MapMaker$Dummy;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
         0: .line 579
            getstatic com.google.common.collect.MapMaker$Dummy.VALUE:Lcom/google/common/collect/MapMaker$Dummy;
            areturn
        end local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;

  void setValue(com.google.common.collect.MapMaker$Dummy);
    descriptor: (Lcom/google/common/collect/MapMaker$Dummy;)V
    flags: (0x0000) 
    Code:
      stack=0, locals=2, args_size=2
        start local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
        start local 1 // com.google.common.collect.MapMaker$Dummy value
         0: .line 582
            return
        end local 1 // com.google.common.collect.MapMaker$Dummy value
        end local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;
            0    1     1  value  Lcom/google/common/collect/MapMaker$Dummy;
    MethodParameters:
       Name  Flags
      value  

  com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry<K> copy(com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry<K>);
    descriptor: (Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry;)Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry;
    flags: (0x0000) 
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
        start local 1 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry newNext
         0: .line 585
            new com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry
            dup
            aload 0 /* this */
            getfield com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry.key:Ljava/lang/Object;
            aload 0 /* this */
            getfield com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry.hash:I
            aload 1 /* newNext */
            invokespecial com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry.<init>:(Ljava/lang/Object;ILcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry;)V
            areturn
        end local 1 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry newNext
        end local 0 // com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;
            0    1     1  newNext  Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;
    Signature: (Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;)Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;
    MethodParameters:
         Name  Flags
      newNext  

  public java.lang.Object getValue();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry.getValue:()Lcom/google/common/collect/MapMaker$Dummy;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: <K:Ljava/lang/Object;>Lcom/google/common/collect/MapMakerInternalMap$AbstractStrongKeyEntry<TK;Lcom/google/common/collect/MapMaker$Dummy;Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;>;Lcom/google/common/collect/MapMakerInternalMap$StrongValueEntry<TK;Lcom/google/common/collect/MapMaker$Dummy;Lcom/google/common/collect/MapMakerInternalMap$StrongKeyDummyValueEntry<TK;>;>;
SourceFile: "MapMakerInternalMap.java"
NestHost: com.google.common.collect.MapMakerInternalMap
InnerClasses:
  final Dummy = com.google.common.collect.MapMaker$Dummy of com.google.common.collect.MapMaker
  abstract AbstractStrongKeyEntry = com.google.common.collect.MapMakerInternalMap$AbstractStrongKeyEntry of com.google.common.collect.MapMakerInternalMap
  abstract InternalEntry = com.google.common.collect.MapMakerInternalMap$InternalEntry of com.google.common.collect.MapMakerInternalMap
  final StrongKeyDummyValueEntry = com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry of com.google.common.collect.MapMakerInternalMap
  final Helper = com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry$Helper of com.google.common.collect.MapMakerInternalMap$StrongKeyDummyValueEntry
  abstract StrongValueEntry = com.google.common.collect.MapMakerInternalMap$StrongValueEntry of com.google.common.collect.MapMakerInternalMap