package org.checkstyle.suppressionxpathfilter.mutableexception;
   
   public class InputXpathMutableExceptionExtendedClassName {
       public class FooException extends Throwable {
           private final int finalErrorCode;
           private int code = 1; // warn
   
           public FooException() {
               finalErrorCode = 1;
          }
      }
  }