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.Iterators$7 implements java.util.Iterator<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.collect.Iterators$7
  super_class: java.lang.Object
{
  private int count;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private final int val$limitSize;
    descriptor: I
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final java.util.Iterator val$iterator;
    descriptor: Ljava/util/Iterator;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(int, java.util.Iterator);
    descriptor: (ILjava/util/Iterator;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.google.common.collect.Iterators$7 this
         0: .line 909
            aload 0 /* this */
            iload 1
            putfield com.google.common.collect.Iterators$7.val$limitSize:I
            aload 0 /* this */
            aload 2
            putfield com.google.common.collect.Iterators$7.val$iterator:Ljava/util/Iterator;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.collect.Iterators$7 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/collect/Iterators$7;
    MethodParameters:
               Name  Flags
      val$limitSize  final
      val$iterator   final

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.collect.Iterators$7 this
         0: .line 914
            aload 0 /* this */
            getfield com.google.common.collect.Iterators$7.count:I
            aload 0 /* this */
            getfield com.google.common.collect.Iterators$7.val$limitSize:I
            if_icmpge 1
            aload 0 /* this */
            getfield com.google.common.collect.Iterators$7.val$iterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.hasNext:()Z
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // com.google.common.collect.Iterators$7 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/collect/Iterators$7;

  public T next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.google.common.collect.Iterators$7 this
         0: .line 919
            aload 0 /* this */
            invokevirtual com.google.common.collect.Iterators$7.hasNext:()Z
            ifne 2
         1: .line 920
            new java.util.NoSuchElementException
            dup
            invokespecial java.util.NoSuchElementException.<init>:()V
            athrow
         2: .line 922
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            getfield com.google.common.collect.Iterators$7.count:I
            iconst_1
            iadd
            putfield com.google.common.collect.Iterators$7.count:I
         3: .line 923
            aload 0 /* this */
            getfield com.google.common.collect.Iterators$7.val$iterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            areturn
        end local 0 // com.google.common.collect.Iterators$7 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/google/common/collect/Iterators$7;
    Signature: ()TT;

  public void remove();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.collect.Iterators$7 this
         0: .line 928
            aload 0 /* this */
            getfield com.google.common.collect.Iterators$7.val$iterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.remove:()V
         1: .line 929
            return
        end local 0 // com.google.common.collect.Iterators$7 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/google/common/collect/Iterators$7;
}
Signature: Ljava/lang/Object;Ljava/util/Iterator<TT;>;
SourceFile: "Iterators.java"
EnclosingMethod: com.google.common.collect.Iterators.limit:(Ljava/util/Iterator;I)Ljava/util/Iterator;
NestHost: com.google.common.collect.Iterators
InnerClasses:
  com.google.common.collect.Iterators$7