EntityInfo::showVisibility

public function showVisibility(int $userId): void
{
	$userId = (int) $userId;

	if (in_array($userId, $this->hiddenVisibilityList, true))
	{
		$this->hiddenVisibilityList = array_values(
			array_diff($this->hiddenVisibilityList, [$userId])
		);
	}
}