isInherited example

protected function requiresValidation(
        Field $field,
        EntityExistence $existence,
        $value,
        WriteParameterBag $parameters
    ): bool {
        if ($value !== null) {
            return true;
        }

        if ($existence->isChild() && $this->isInherited($field, $parameters)) {
            return false;
        }

        if ($existence->hasEntityName()
            && $this->definitionRegistry->getByEntityName($existence->getEntityName()) instanceof EntityTranslationDefinition
            && $parameters->getCurrentWriteLanguageId() !== Defaults::LANGUAGE_SYSTEM
        ) {
            return false;
        }

        return $field->is(Required::class);
    }