docs: private static int skipClassDueToSunJVMBug(Class clazz) {
          for (int i = 0; i < sunProblematicClasses.length; ++i) {
              Class sunPbClass = sunProblematicClasses[i];
              if (clazz == sunPbClass) {
                  return ((Integer) sunProblematicClassesSizes.get(clazz.getName())).intValue();
              }
          }
          return 0;
      }