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.Sets$CartesianSet$1 extends com.google.common.collect.ImmutableList<java.util.List<E>>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.collect.Sets$CartesianSet$1
  super_class: com.google.common.collect.ImmutableList
{
  private final com.google.common.collect.ImmutableList val$axes;
    descriptor: Lcom/google/common/collect/ImmutableList;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.google.common.collect.ImmutableList);
    descriptor: (Lcom/google/common/collect/ImmutableList;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.Sets$CartesianSet$1 this
         0: .line 1402
            aload 0 /* this */
            aload 1
            putfield com.google.common.collect.Sets$CartesianSet$1.val$axes:Lcom/google/common/collect/ImmutableList;
            aload 0 /* this */
            invokespecial com.google.common.collect.ImmutableList.<init>:()V
            return
        end local 0 // com.google.common.collect.Sets$CartesianSet$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/Sets$CartesianSet$1;
    MethodParameters:
          Name  Flags
      val$axes  final

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.Sets$CartesianSet$1 this
         0: .line 1405
            aload 0 /* this */
            getfield com.google.common.collect.Sets$CartesianSet$1.val$axes:Lcom/google/common/collect/ImmutableList;
            invokevirtual com.google.common.collect.ImmutableList.size:()I
            ireturn
        end local 0 // com.google.common.collect.Sets$CartesianSet$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/Sets$CartesianSet$1;

  public java.util.List<E> get(int);
    descriptor: (I)Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.collect.Sets$CartesianSet$1 this
        start local 1 // int index
         0: .line 1410
            aload 0 /* this */
            getfield com.google.common.collect.Sets$CartesianSet$1.val$axes:Lcom/google/common/collect/ImmutableList;
            iload 1 /* index */
            invokevirtual com.google.common.collect.ImmutableList.get:(I)Ljava/lang/Object;
            checkcast com.google.common.collect.ImmutableSet
            invokevirtual com.google.common.collect.ImmutableSet.asList:()Lcom/google/common/collect/ImmutableList;
            areturn
        end local 1 // int index
        end local 0 // com.google.common.collect.Sets$CartesianSet$1 this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/google/common/collect/Sets$CartesianSet$1;
            0    1     1  index  I
    Signature: (I)Ljava/util/List<TE;>;
    MethodParameters:
       Name  Flags
      index  

  boolean isPartialView();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.Sets$CartesianSet$1 this
         0: .line 1415
            iconst_1
            ireturn
        end local 0 // com.google.common.collect.Sets$CartesianSet$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/Sets$CartesianSet$1;

  public java.lang.Object get(int);
    descriptor: (I)Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            iload 1
            invokevirtual com.google.common.collect.Sets$CartesianSet$1.get:(I)Ljava/util/List;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lcom/google/common/collect/ImmutableList<Ljava/util/List<TE;>;>;
SourceFile: "Sets.java"
EnclosingMethod: com.google.common.collect.Sets$CartesianSet.create:(Ljava/util/List;)Ljava/util/Set;
NestHost: com.google.common.collect.Sets
InnerClasses:
  private final CartesianSet = com.google.common.collect.Sets$CartesianSet of com.google.common.collect.Sets
  com.google.common.collect.Sets$CartesianSet$1