const typeSymbol = getTypeSymbol(type);
    switch (typeSymbol) {
      case MEMO_NUMBER:
      case MEMO_SYMBOL_STRING:
        
        return resolveFiberType(type.type);
      case FORWARD_REF_NUMBER:
      case FORWARD_REF_SYMBOL_STRING:
        return type.render;
      default:
        return type;
    }
  }
  
  function getDisplayNameForFiber(fiber: Fiber): string | null {