https://openjdk.java.net/ 
public interface org.xml.sax.XMLFilter extends org.xml.sax.XMLReader
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.xml.sax.XMLFilter
  super_class: java.lang.Object
{
  public abstract void setParent(org.xml.sax.XMLReader);
    descriptor: (Lorg/xml/sax/XMLReader;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      parent  

  public abstract org.xml.sax.XMLReader getParent();
    descriptor: ()Lorg/xml/sax/XMLReader;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "XMLFilter.java"