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 abstract class org.bouncycastle.x509.PKIXAttrCertChecker implements java.lang.Cloneable
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.bouncycastle.x509.PKIXAttrCertChecker
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.x509.PKIXAttrCertChecker this
         0: .line 8
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.x509.PKIXAttrCertChecker this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/x509/PKIXAttrCertChecker;

  public abstract java.util.Set getSupportedExtensions();
    descriptor: ()Ljava/util/Set;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void check(org.bouncycastle.x509.X509AttributeCertificate, java.security.cert.CertPath, java.security.cert.CertPath, java.util.Collection);
    descriptor: (Lorg/bouncycastle/x509/X509AttributeCertificate;Ljava/security/cert/CertPath;Ljava/security/cert/CertPath;Ljava/util/Collection;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.security.cert.CertPathValidatorException
    MethodParameters:
                    Name  Flags
      attrCert            
      certPath            
      holderCertPath      
      unresolvedCritExts  

  public abstract java.lang.Object clone();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "PKIXAttrCertChecker.java"