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$WeakKeyStrongValueSegment<K, V> extends com.google.common.collect.MapMakerInternalMap$Segment<K, V, com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueEntry<K, V>, com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment<K, V>>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment
  super_class: com.google.common.collect.MapMakerInternalMap$Segment
{
  private final java.lang.ref.ReferenceQueue<K> queueForKeys;
    descriptor: Ljava/lang/ref/ReferenceQueue;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/ref/ReferenceQueue<TK;>;

  void <init>(com.google.common.collect.MapMakerInternalMap<K, V, com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueEntry<K, V>, com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment<K, V>>, int, );
    descriptor: (Lcom/google/common/collect/MapMakerInternalMap;II)V
    flags: (0x0000) 
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
        start local 1 // com.google.common.collect.MapMakerInternalMap map
        start local 2 // int initialCapacity
        start local 3 // int maxSegmentSize
         0: .line 2120
            aload 0 /* this */
            aload 1 /* map */
            iload 2 /* initialCapacity */
            iload 3 /* maxSegmentSize */
            invokespecial com.google.common.collect.MapMakerInternalMap$Segment.<init>:(Lcom/google/common/collect/MapMakerInternalMap;II)V
         1: .line 2113
            aload 0 /* this */
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putfield com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.queueForKeys:Ljava/lang/ref/ReferenceQueue;
         2: .line 2121
            return
        end local 3 // int maxSegmentSize
        end local 2 // int initialCapacity
        end local 1 // com.google.common.collect.MapMakerInternalMap map
        end local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    3     0             this  Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;
            0    3     1              map  Lcom/google/common/collect/MapMakerInternalMap<TK;TV;Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueEntry<TK;TV;>;Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;>;
            0    3     2  initialCapacity  I
            0    3     3   maxSegmentSize  I
    Signature: (Lcom/google/common/collect/MapMakerInternalMap<TK;TV;Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueEntry<TK;TV;>;Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;>;II)V
    MethodParameters:
                 Name  Flags
      map              
      initialCapacity  
      maxSegmentSize   

  com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment<K, V> self();
    descriptor: ()Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
         0: .line 2125
            aload 0 /* this */
            areturn
        end local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;
    Signature: ()Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;

  java.lang.ref.ReferenceQueue<K> getKeyReferenceQueueForTesting();
    descriptor: ()Ljava/lang/ref/ReferenceQueue;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
         0: .line 2130
            aload 0 /* this */
            getfield com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.queueForKeys:Ljava/lang/ref/ReferenceQueue;
            areturn
        end local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;
    Signature: ()Ljava/lang/ref/ReferenceQueue<TK;>;

  public com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueEntry<K, V> castForTesting(com.google.common.collect.MapMakerInternalMap$InternalEntry<K, V, ?>);
    descriptor: (Lcom/google/common/collect/MapMakerInternalMap$InternalEntry;)Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueEntry;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
        start local 1 // com.google.common.collect.MapMakerInternalMap$InternalEntry entry
         0: .line 2136
            aload 1 /* entry */
            checkcast com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueEntry
            areturn
        end local 1 // com.google.common.collect.MapMakerInternalMap$InternalEntry entry
        end local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;
            0    1     1  entry  Lcom/google/common/collect/MapMakerInternalMap$InternalEntry<TK;TV;*>;
    Signature: (Lcom/google/common/collect/MapMakerInternalMap$InternalEntry<TK;TV;*>;)Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueEntry<TK;TV;>;
    MethodParameters:
       Name  Flags
      entry  

  void maybeDrainReferenceQueues();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
         0: .line 2141
            aload 0 /* this */
            aload 0 /* this */
            getfield com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.queueForKeys:Ljava/lang/ref/ReferenceQueue;
            invokevirtual com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.drainKeyReferenceQueue:(Ljava/lang/ref/ReferenceQueue;)V
         1: .line 2142
            return
        end local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;

  void maybeClearReferenceQueues();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
         0: .line 2146
            aload 0 /* this */
            aload 0 /* this */
            getfield com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.queueForKeys:Ljava/lang/ref/ReferenceQueue;
            invokevirtual com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.clearReferenceQueue:(Ljava/lang/ref/ReferenceQueue;)V
         1: .line 2147
            return
        end local 0 // com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;

  com.google.common.collect.MapMakerInternalMap$Segment self();
    descriptor: ()Lcom/google/common/collect/MapMakerInternalMap$Segment;
    flags: (0x1040) ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.self:()Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public com.google.common.collect.MapMakerInternalMap$InternalEntry castForTesting(com.google.common.collect.MapMakerInternalMap$InternalEntry);
    descriptor: (Lcom/google/common/collect/MapMakerInternalMap$InternalEntry;)Lcom/google/common/collect/MapMakerInternalMap$InternalEntry;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            checkcast com.google.common.collect.MapMakerInternalMap$InternalEntry
            invokevirtual com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment.castForTesting:(Lcom/google/common/collect/MapMakerInternalMap$InternalEntry;)Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueEntry;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Lcom/google/common/collect/MapMakerInternalMap$Segment<TK;TV;Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueEntry<TK;TV;>;Lcom/google/common/collect/MapMakerInternalMap$WeakKeyStrongValueSegment<TK;TV;>;>;
SourceFile: "MapMakerInternalMap.java"
NestHost: com.google.common.collect.MapMakerInternalMap
InnerClasses:
  abstract InternalEntry = com.google.common.collect.MapMakerInternalMap$InternalEntry of com.google.common.collect.MapMakerInternalMap
  abstract Segment = com.google.common.collect.MapMakerInternalMap$Segment of com.google.common.collect.MapMakerInternalMap
  final WeakKeyStrongValueEntry = com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueEntry of com.google.common.collect.MapMakerInternalMap
  final WeakKeyStrongValueSegment = com.google.common.collect.MapMakerInternalMap$WeakKeyStrongValueSegment of com.google.common.collect.MapMakerInternalMap