The DocType class

package org.jdom;

public class DocType implements Serializable, Cloneable {

  protected String   elementName;
  protected String   publicID;
  protected String   systemID;
  protected Document document;
  protected String   internalSubset;

  protected DocType()
  public DocType(String elementName, String publicID, 
   String systemID)
  public DocType(String elementName, String systemID)
  public DocType(String elementName)

  public String   getElementName()
  public DocType  setElementName(String elementName)
  public String   getPublicID()
  public DocType  setPublicID(String publicID)
  public String   getSystemID()
  public DocType  setSystemID(String systemID)
  public Document getDocument()
  public void     setInternalSubset(String newData)

  protected DocType setDocument(Document document)

  public String getInternalSubset()

  public       String  toString()
  public final boolean equals(Object o)
  public final int     hashCode()

  public Object clone()

}