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. 
public class org.bouncycastle.asn1.x509.X509Attributes
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.asn1.x509.X509Attributes
  super_class: java.lang.Object
{
  public static final org.bouncycastle.asn1.DERObjectIdentifier RoleSyntax;
    descriptor: Lorg/bouncycastle/asn1/DERObjectIdentifier;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 7
            new org.bouncycastle.asn1.DERObjectIdentifier
            dup
            ldc "2.5.4.72"
            invokespecial org.bouncycastle.asn1.DERObjectIdentifier.<init>:(Ljava/lang/String;)V
            putstatic org.bouncycastle.asn1.x509.X509Attributes.RoleSyntax:Lorg/bouncycastle/asn1/DERObjectIdentifier;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.x509.X509Attributes this
         0: .line 5
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.asn1.x509.X509Attributes this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/asn1/x509/X509Attributes;
}
SourceFile: "X509Attributes.java"