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