code: @Override
      public Object get(Object key) {
          if (INSTALL_KERNEL_INIT_CODE.equals(key))
              return initValidate();
          if (INSTALL_KERNEL_INIT_ERROR_MESSAGE.equals(key) ||
              RUNTIME_INSTALL_DIR.equals(key))
              return data.get(key);
          if (installKernelMap == null) {
              throw new RuntimeException(getMessage("MAPBASED_ERROR_KERNEL_NOT_INIT"));
          }
          return installKernelMap.get(key);
      }
docs: {@inheritDoc}
  return object value associated with input key