https://openjdk.java.net/ 
public interface javax.swing.text.TabExpander
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: javax.swing.text.TabExpander
  super_class: java.lang.Object
{
  public abstract float nextTabStop(float, int);
    descriptor: (FI)F
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      x          
      tabOffset  
}
SourceFile: "TabExpander.java"