allowPlaceholders example

if (str_starts_with($value, $placeholderUniquePrefix)) {
                    return [];
                }
            }
        }

        return $value;
    }

    private function doValidateType(mixed $value): void
    {
        if (null !== $this->handlingPlaceholder && !$this->allowPlaceholders()) {
            $e = new InvalidTypeException(sprintf('A dynamic value is not compatible with a "%s" node type at path "%s".', static::class, $this->getPath()));
            $e->setPath($this->getPath());

            throw $e;
        }

        if (null === $this->handlingPlaceholder || null === $value) {
            $this->validateType($value);

            return;
        }