#vulnerable code 
                              public void bindInterceptor(Matcher<? super Class<?>> classMatcher,
      Matcher<? super Method> methodMatcher, MethodInterceptor... interceptors) {
    ensureNotCreated();
    proxyFactoryBuilder.intercept(classMatcher, methodMatcher, interceptors);
  } 
                            #location 3 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                              public void bindInterceptor(Matcher<? super Class<?>> classMatcher,
      Matcher<? super Method> methodMatcher, MethodInterceptor... interceptors) {
    proxyFactoryBuilder.intercept(classMatcher, methodMatcher, interceptors);
  }