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

  void <init>(com.google.common.collect.StandardTable$Column);
    descriptor: (Lcom/google/common/collect/StandardTable$Column;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.StandardTable$Column$Values this
         0: .line 596
            aload 0 /* this */
            aload 1
            putfield com.google.common.collect.StandardTable$Column$Values.this$1:Lcom/google/common/collect/StandardTable$Column;
         1: .line 597
            aload 0 /* this */
            aload 1
            invokespecial com.google.common.collect.Maps$Values.<init>:(Ljava/util/Map;)V
         2: .line 598
            return
        end local 0 // com.google.common.collect.StandardTable$Column$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/google/common/collect/StandardTable$Column$Values;
    MethodParameters:
        Name  Flags
      this$0  final

  public boolean remove(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$Column$Values this
        start local 1 // java.lang.Object obj
         0: .line 602
            aload 1 /* obj */
            ifnull 1
            aload 0 /* this */
            getfield com.google.common.collect.StandardTable$Column$Values.this$1:Lcom/google/common/collect/StandardTable$Column;
            aload 1 /* obj */
            invokestatic com.google.common.base.Predicates.equalTo:(Ljava/lang/Object;)Lcom/google/common/base/Predicate;
            invokestatic com.google.common.collect.Maps.valuePredicateOnEntries:(Lcom/google/common/base/Predicate;)Lcom/google/common/base/Predicate;
            invokevirtual com.google.common.collect.StandardTable$Column.removeFromColumnIf:(Lcom/google/common/base/Predicate;)Z
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // java.lang.Object obj
        end local 0 // com.google.common.collect.StandardTable$Column$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/collect/StandardTable$Column$Values;
            0    2     1   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   

  public boolean removeAll(java.util.Collection<?>);
    descriptor: (Ljava/util/Collection;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.StandardTable$Column$Values this
        start local 1 // java.util.Collection c
         0: .line 607
            aload 0 /* this */
            getfield com.google.common.collect.StandardTable$Column$Values.this$1:Lcom/google/common/collect/StandardTable$Column;
            aload 1 /* c */
            invokestatic com.google.common.base.Predicates.in:(Ljava/util/Collection;)Lcom/google/common/base/Predicate;
            invokestatic com.google.common.collect.Maps.valuePredicateOnEntries:(Lcom/google/common/base/Predicate;)Lcom/google/common/base/Predicate;
            invokevirtual com.google.common.collect.StandardTable$Column.removeFromColumnIf:(Lcom/google/common/base/Predicate;)Z
            ireturn
        end local 1 // java.util.Collection c
        end local 0 // com.google.common.collect.StandardTable$Column$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/StandardTable$Column$Values;
            0    1     1     c  Ljava/util/Collection<*>;
    Signature: (Ljava/util/Collection<*>;)Z
    MethodParameters:
      Name  Flags
      c     final

  public boolean retainAll(java.util.Collection<?>);
    descriptor: (Ljava/util/Collection;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.StandardTable$Column$Values this
        start local 1 // java.util.Collection c
         0: .line 612
            aload 0 /* this */
            getfield com.google.common.collect.StandardTable$Column$Values.this$1:Lcom/google/common/collect/StandardTable$Column;
            aload 1 /* c */
            invokestatic com.google.common.base.Predicates.in:(Ljava/util/Collection;)Lcom/google/common/base/Predicate;
            invokestatic com.google.common.base.Predicates.not:(Lcom/google/common/base/Predicate;)Lcom/google/common/base/Predicate;
            invokestatic com.google.common.collect.Maps.valuePredicateOnEntries:(Lcom/google/common/base/Predicate;)Lcom/google/common/base/Predicate;
            invokevirtual com.google.common.collect.StandardTable$Column.removeFromColumnIf:(Lcom/google/common/base/Predicate;)Z
            ireturn
        end local 1 // java.util.Collection c
        end local 0 // com.google.common.collect.StandardTable$Column$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/StandardTable$Column$Values;
            0    1     1     c  Ljava/util/Collection<*>;
    Signature: (Ljava/util/Collection<*>;)Z
    MethodParameters:
      Name  Flags
      c     final
}
Signature: Lcom/google/common/collect/Maps$Values<TR;TV;>;
SourceFile: "StandardTable.java"
NestHost: com.google.common.collect.StandardTable
InnerClasses:
  Values = com.google.common.collect.Maps$Values of com.google.common.collect.Maps
  private Column = com.google.common.collect.StandardTable$Column of com.google.common.collect.StandardTable
  private Values = com.google.common.collect.StandardTable$Column$Values of com.google.common.collect.StandardTable$Column
  public abstract Entry = java.util.Map$Entry of java.util.Map