docs: @Override
      public JavaClass findClass(/*@Nonnull*/ String className) {
          // Make sure we handle class names with slashes.
          // If we don't, we can get into serious trouble: a previously
          // loaded class will appear to be missing (because we're using the
          // wrong name to look it up) and be evicted by some other random
          // version of the class loaded from the classpath.
          String dottedClassName = className.replace('/', '.');
  
          return nameToClassMap.get(dottedClassName);
      }