code: private static RenameHandler createInstance() {
          // log errors to System.err, as problems in static initializers can be troublesome to diagnose
          RenameHandler instance = create(false);
          try {
              // calling loadFromClasspath() is the best option even though it mutates INSTANCE
              // only serious errors will be caught here, most errors will log from parseRenameFile()
              instance.loadFromClasspath();
  
          } catch (IllegalStateException ex) {
              System.err.println("ERROR: " + ex.getMessage());
              ex.printStackTrace();
          } catch (Throwable ex) {
              System.err.println("ERROR: Failed to load Renamed.ini files: " + ex.getMessage());
              ex.printStackTrace();
          }
          return instance;
      }
docs: this is a method to aid IDE debugging of class initialization