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.Iterables$5 extends com.google.common.collect.FluentIterable<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.collect.Iterables$5
  super_class: com.google.common.collect.FluentIterable
{
  private final java.lang.Iterable val$fromIterable;
    descriptor: Ljava/lang/Iterable;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final com.google.common.base.Function val$function;
    descriptor: Lcom/google/common/base/Function;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(java.lang.Iterable, com.google.common.base.Function);
    descriptor: (Ljava/lang/Iterable;Lcom/google/common/base/Function;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.google.common.collect.Iterables$5 this
         0: .line 695
            aload 0 /* this */
            aload 1
            putfield com.google.common.collect.Iterables$5.val$fromIterable:Ljava/lang/Iterable;
            aload 0 /* this */
            aload 2
            putfield com.google.common.collect.Iterables$5.val$function:Lcom/google/common/base/Function;
            aload 0 /* this */
            invokespecial com.google.common.collect.FluentIterable.<init>:()V
            return
        end local 0 // com.google.common.collect.Iterables$5 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/Iterables$5;
    MethodParameters:
                  Name  Flags
      val$fromIterable  final
      val$function      final

  public java.util.Iterator<T> iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.Iterables$5 this
         0: .line 698
            aload 0 /* this */
            getfield com.google.common.collect.Iterables$5.val$fromIterable:Ljava/lang/Iterable;
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            aload 0 /* this */
            getfield com.google.common.collect.Iterables$5.val$function:Lcom/google/common/base/Function;
            invokestatic com.google.common.collect.Iterators.transform:(Ljava/util/Iterator;Lcom/google/common/base/Function;)Ljava/util/Iterator;
            areturn
        end local 0 // com.google.common.collect.Iterables$5 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/Iterables$5;
    Signature: ()Ljava/util/Iterator<TT;>;

  public void forEach(java.util.function.Consumer<? super T>);
    descriptor: (Ljava/util/function/Consumer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.google.common.collect.Iterables$5 this
        start local 1 // java.util.function.Consumer action
         0: .line 703
            aload 1 /* action */
            invokestatic com.google.common.base.Preconditions.checkNotNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 704
            aload 0 /* this */
            getfield com.google.common.collect.Iterables$5.val$fromIterable:Ljava/lang/Iterable;
            aload 1 /* action */
            aload 0 /* this */
            getfield com.google.common.collect.Iterables$5.val$function:Lcom/google/common/base/Function;
            invokedynamic accept(Ljava/util/function/Consumer;Lcom/google/common/base/Function;)Ljava/util/function/Consumer;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)V
                  com/google/common/collect/Iterables$5.lambda$0(Ljava/util/function/Consumer;Lcom/google/common/base/Function;Ljava/lang/Object;)V (6)
                  (Ljava/lang/Object;)V
            invokeinterface java.lang.Iterable.forEach:(Ljava/util/function/Consumer;)V
         2: .line 705
            return
        end local 1 // java.util.function.Consumer action
        end local 0 // com.google.common.collect.Iterables$5 this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lcom/google/common/collect/Iterables$5;
            0    3     1  action  Ljava/util/function/Consumer<-TT;>;
    Signature: (Ljava/util/function/Consumer<-TT;>;)V
    MethodParameters:
        Name  Flags
      action  

  public java.util.Spliterator<T> spliterator();
    descriptor: ()Ljava/util/Spliterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.Iterables$5 this
         0: .line 709
            aload 0 /* this */
            getfield com.google.common.collect.Iterables$5.val$fromIterable:Ljava/lang/Iterable;
            invokeinterface java.lang.Iterable.spliterator:()Ljava/util/Spliterator;
            aload 0 /* this */
            getfield com.google.common.collect.Iterables$5.val$function:Lcom/google/common/base/Function;
            invokestatic com.google.common.collect.CollectSpliterators.map:(Ljava/util/Spliterator;Ljava/util/function/Function;)Ljava/util/Spliterator;
            areturn
        end local 0 // com.google.common.collect.Iterables$5 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/Iterables$5;
    Signature: ()Ljava/util/Spliterator<TT;>;

  private static void lambda$0(java.util.function.Consumer, com.google.common.base.Function, java.lang.Object);
    descriptor: (Ljava/util/function/Consumer;Lcom/google/common/base/Function;Ljava/lang/Object;)V
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
        start local 2 // java.lang.Object f
         0: .line 704
            aload 0
            aload 1
            aload 2 /* f */
            invokeinterface com.google.common.base.Function.apply:(Ljava/lang/Object;)Ljava/lang/Object;
            invokeinterface java.util.function.Consumer.accept:(Ljava/lang/Object;)V
            return
        end local 2 // java.lang.Object f
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     2     f  TF;
}
Signature: Lcom/google/common/collect/FluentIterable<TT;>;
SourceFile: "Iterables.java"
EnclosingMethod: com.google.common.collect.Iterables.transform:(Ljava/lang/Iterable;Lcom/google/common/base/Function;)Ljava/lang/Iterable;
NestHost: com.google.common.collect.Iterables
InnerClasses:
  com.google.common.collect.Iterables$5
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles