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.AbstractMultimap$Values extends java.util.AbstractCollection<V>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.collect.AbstractMultimap$Values
  super_class: java.util.AbstractCollection
{
  final com.google.common.collect.AbstractMultimap this$0;
    descriptor: Lcom/google/common/collect/AbstractMultimap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.google.common.collect.AbstractMultimap);
    descriptor: (Lcom/google/common/collect/AbstractMultimap;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.AbstractMultimap$Values this
         0: .line 189
            aload 0 /* this */
            aload 1
            putfield com.google.common.collect.AbstractMultimap$Values.this$0:Lcom/google/common/collect/AbstractMultimap;
            aload 0 /* this */
            invokespecial java.util.AbstractCollection.<init>:()V
            return
        end local 0 // com.google.common.collect.AbstractMultimap$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/AbstractMultimap$Values;
    MethodParameters:
        Name  Flags
      this$0  final

  public java.util.Iterator<V> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.AbstractMultimap$Values this
         0: .line 192
            aload 0 /* this */
            getfield com.google.common.collect.AbstractMultimap$Values.this$0:Lcom/google/common/collect/AbstractMultimap;
            invokevirtual com.google.common.collect.AbstractMultimap.valueIterator:()Ljava/util/Iterator;
            areturn
        end local 0 // com.google.common.collect.AbstractMultimap$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/AbstractMultimap$Values;
    Signature: ()Ljava/util/Iterator<TV;>;

  public java.util.Spliterator<V> spliterator();
    descriptor: ()Ljava/util/Spliterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.AbstractMultimap$Values this
         0: .line 197
            aload 0 /* this */
            getfield com.google.common.collect.AbstractMultimap$Values.this$0:Lcom/google/common/collect/AbstractMultimap;
            invokevirtual com.google.common.collect.AbstractMultimap.valueSpliterator:()Ljava/util/Spliterator;
            areturn
        end local 0 // com.google.common.collect.AbstractMultimap$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/AbstractMultimap$Values;
    Signature: ()Ljava/util/Spliterator<TV;>;

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.AbstractMultimap$Values this
         0: .line 202
            aload 0 /* this */
            getfield com.google.common.collect.AbstractMultimap$Values.this$0:Lcom/google/common/collect/AbstractMultimap;
            invokevirtual com.google.common.collect.AbstractMultimap.size:()I
            ireturn
        end local 0 // com.google.common.collect.AbstractMultimap$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/AbstractMultimap$Values;

  public boolean contains(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.AbstractMultimap$Values this
        start local 1 // java.lang.Object o
         0: .line 207
            aload 0 /* this */
            getfield com.google.common.collect.AbstractMultimap$Values.this$0:Lcom/google/common/collect/AbstractMultimap;
            aload 1 /* o */
            invokevirtual com.google.common.collect.AbstractMultimap.containsValue:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // com.google.common.collect.AbstractMultimap$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/AbstractMultimap$Values;
            0    1     1     o  Ljava/lang/Object;
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
      Name  Flags
      o     

  public void clear();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.AbstractMultimap$Values this
         0: .line 212
            aload 0 /* this */
            getfield com.google.common.collect.AbstractMultimap$Values.this$0:Lcom/google/common/collect/AbstractMultimap;
            invokevirtual com.google.common.collect.AbstractMultimap.clear:()V
         1: .line 213
            return
        end local 0 // com.google.common.collect.AbstractMultimap$Values this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/collect/AbstractMultimap$Values;
}
Signature: Ljava/util/AbstractCollection<TV;>;
SourceFile: "AbstractMultimap.java"
NestHost: com.google.common.collect.AbstractMultimap
InnerClasses:
  Values = com.google.common.collect.AbstractMultimap$Values of com.google.common.collect.AbstractMultimap