BaseNavigatorInterface.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Paths\Navigator;

use ILIAS\MetaData\Paths\Steps\StepInterface;

interface BaseNavigatorInterface
{
    public function nextStep(): ?BaseNavigatorInterface;

    public function currentStep(): ?StepInterface;

    public function previousStep(): ?BaseNavigatorInterface;

    public function hasNextStep(): bool;

    public function hasPreviousStep(): bool;

    public function hasElements(): bool;
}