http://xmlgraphics.apache.org/batik/batik-bridge/: Batik bridge (Apache Software Foundation) 
public interface org.apache.batik.bridge.Viewport
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.batik.bridge.Viewport
  super_class: java.lang.Object
{
  public abstract float getWidth();
    descriptor: ()F
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract float getHeight();
    descriptor: ()F
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "Viewport.java"