https://openjdk.java.net/ 
public interface com.sun.org.apache.xalan.internal.xsltc.CollatorFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.org.apache.xalan.internal.xsltc.CollatorFactory
  super_class: java.lang.Object
{
  public abstract java.text.Collator getCollator(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)Ljava/text/Collator;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
         Name  Flags
      lang     
      country  

  public abstract java.text.Collator getCollator(java.util.Locale);
    descriptor: (Ljava/util/Locale;)Ljava/text/Collator;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      locale  
}
SourceFile: "CollatorFactory.java"