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<?php
declare(strict_types = 1);

namespace BaconQrCode\Renderer\Eye;

use BaconQrCode\Renderer\Path\Path;

/**
 * Interface for describing the look of an eye.
 */
interface EyeInterface
{
    /**
     * Returns the path of the external eye element.
     *
     * The path origin point (0, 0) must be anchored at the middle of the path.
     */
    public function getExternalPath() : Path;

    /**
     * Returns the path of the internal eye element.
     *
     * The path origin point (0, 0) must be anchored at the middle of the path.
     */
    public function getInternalPath() : Path;
}