code: @Override
      public void visitClassContext(ClassContext classContext) {
          JavaClass cls = classContext.getJavaClass();
  
          if (cls.isClass() && (cls.getMajor() >= JDK15_MAJOR)) {
  
              Map<String, Set<String>> methodInfo = new HashMap<>();
              populateMethodInfo(cls, methodInfo);
  
              Method[] methods = cls.getMethods();
              for (Method m : methods) {
                  String name = m.getName();
                  String signature = m.getSignature();
  
                  Set<String> sigs = methodInfo.get(name);
                  if (sigs != null) {
                      for (String sig : sigs) {
                          if (confusingSignatures(sig, signature)) {
                              bugReporter.reportBug(new BugInstance(this, BugType.CAO_CONFUSING_AUTOBOXED_OVERLOADING.name(), NORMAL_PRIORITY)
                                      .addClass(cls.getClassName()).addString(name + signature).addString(name + sig));
                          }
                      }
                  }
              }
          }
      }
docs: overrides the visitor to look for confusing signatures
  
  @param classContext
  the context object that holds the JavaClass currently being parsed