https://source.android.com/ 
public interface android.location.CountryListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.location.CountryListener
  super_class: java.lang.Object
{
  public abstract void onCountryDetected(android.location.Country);
    descriptor: (Landroid/location/Country;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
         Name  Flags
      country  
}
SourceFile: "CountryListener.java"