https://openjdk.java.net/ 
public interface sun.text.normalizer.UnicodeMatcher
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.text.normalizer.UnicodeMatcher
  super_class: java.lang.Object
{
  public static final char ETHER;
    descriptor: C
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 65535
}
SourceFile: "UnicodeMatcher.java"