code: public void forEachResourceError (@Nonnull final Consumer <? super IError> aConsumer)
    {
      ValueEnforcer.notNull (aConsumer, "Consumer");
      m_aRWLock.readLocked ( () -> m_aErrors.forEach (aConsumer));
    }
docs: Call the provided consumer for all contained resource errors.
  
  @param aConsumer
  The consumer to be invoked. May not be <code>null</code>. May only
  perform reading actions!