http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
class org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration implements java.util.Enumeration
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration
  super_class: java.lang.Object
{
  final org.bouncycastle.asn1.x509.TBSCertList this$0;
    descriptor: Lorg/bouncycastle/asn1/x509/TBSCertList;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(org.bouncycastle.asn1.x509.TBSCertList);
    descriptor: (Lorg/bouncycastle/asn1/x509/TBSCertList;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration this
         0: .line 108
            aload 0 /* this */
            aload 1
            putfield org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration.this$0:Lorg/bouncycastle/asn1/x509/TBSCertList;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x509/TBSCertList$EmptyEnumeration;
    MethodParameters:
        Name  Flags
      this$0  final

  public boolean hasMoreElements();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration this
         0: .line 113
            iconst_0
            ireturn
        end local 0 // org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x509/TBSCertList$EmptyEnumeration;

  public java.lang.Object nextElement();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration this
         0: .line 118
            aconst_null
            areturn
        end local 0 // org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x509/TBSCertList$EmptyEnumeration;
}
SourceFile: "TBSCertList.java"
NestHost: org.bouncycastle.asn1.x509.TBSCertList
InnerClasses:
  private EmptyEnumeration = org.bouncycastle.asn1.x509.TBSCertList$EmptyEnumeration of org.bouncycastle.asn1.x509.TBSCertList