https://openjdk.java.net/ 
public interface sun.misc.JavaxSecurityAuthKerberosAccess
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.misc.JavaxSecurityAuthKerberosAccess
  super_class: java.lang.Object
{
  public abstract sun.security.krb5.EncryptionKey[] keyTabGetEncryptionKeys(javax.security.auth.kerberos.KeyTab, sun.security.krb5.PrincipalName);
    descriptor: (Ljavax/security/auth/kerberos/KeyTab;Lsun/security/krb5/PrincipalName;)[Lsun/security/krb5/EncryptionKey;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      ktab       
      principal  
}
SourceFile: "JavaxSecurityAuthKerberosAccess.java"