This DEV-only field was added in 836331ba5f69f2cc53b273ec073fae116db14302 by @sebmarkbage but it's not being used anymore to my knowledge.
console.error(
              '"%s" is not a valid value for revealOrder on <SuspenseList />. ' +
                'React uses the -s suffix in the spelling. Use "%ss" instead.',
              revealOrder,
              revealOrder.toLowerCase(),
            );
            break;
          }
          default:
            console.error(
              '"%s" is not a supported revealOrder on <SuspenseList />. ' +
                'Did you mean "together", "forwards" or "backwards"?',
              revealOrder,
            );
            break;
        }
      } else {
        console.error(
          '%s is not a supported value for revealOrder on <SuspenseList />. ' +
            'Did you mean "together", "forwards" or "backwards"?',
          revealOrder,
        );
      }
    }
  }
}
function validateTailOptions(
  tailMode: SuspenseListTailMode,
  revealOrder: SuspenseListRevealOrder,
) {