code: protected void recordUnresolvedClass(String classOrPackageName) {
          if (!AnnotationTargetsVisitor.isPackageName(classOrPackageName)) {
              String i_className = internClassName(classOrPackageName);
  
              // Make sure to not double record the class:
              // A failure occur *after* recording the class.
  
              if (!i_containsScannedClassName(i_className)) {
                  i_addUnresolvedClassName(i_className);
              }
          }
      }
docs: classes list by a later processing step.