https://openjdk.java.net/ 
public interface sun.util.locale.provider.ResourceBundleBasedAdapter
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.util.locale.provider.ResourceBundleBasedAdapter
  super_class: java.lang.Object
{
  public abstract sun.util.resources.LocaleData getLocaleData();
    descriptor: ()Lsun/util/resources/LocaleData;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.util.List<java.util.Locale> getCandidateLocales(java.lang.String, java.util.Locale);
    descriptor: (Ljava/lang/String;Ljava/util/Locale;)Ljava/util/List;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/String;Ljava/util/Locale;)Ljava/util/List<Ljava/util/Locale;>;
    MethodParameters:
          Name  Flags
      baseName  
      locale    
}
SourceFile: "ResourceBundleBasedAdapter.java"