<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\PropertyAccess;

/**
 * A sequence of property names or array indices.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
interface PropertyPathInterface extends \Traversable
{
    /**
     * Returns the string representation of the property path.
     *
     * @return string The path as string
     */
    public function __toString();

    /**
     * Returns the length of the property path, i.e. the number of elements.
     *
     * @return int The path length
     */
    public function getLength();

    /**
     * Returns the parent property path.
     *
     * The parent property path is the one that contains the same items as
     * this one except for the last one.
     *
     * If this property path only contains one item, null is returned.
     *
     * @return self|null The parent path or null
     */
    public function getParent();

    /**
     * Returns the elements of the property path as array.
     *
     * @return array An array of property/index names
     */
    public function getElements();

    /**
     * Returns the element at the given index in the property path.
     *
     * @param int $index The index key
     *
     * @return string A property or index name
     *
     * @throws Exception\OutOfBoundsException If the offset is invalid
     */
    public function getElement(int $index);

    /**
     * Returns whether the element at the given index is a property.
     *
     * @param int $index The index in the property path
     *
     * @return bool Whether the element at this index is a property
     *
     * @throws Exception\OutOfBoundsException If the offset is invalid
     */
    public function isProperty(int $index);

    /**
     * Returns whether the element at the given index is an array index.
     *
     * @param int $index The index in the property path
     *
     * @return bool Whether the element at this index is an array index
     *
     * @throws Exception\OutOfBoundsException If the offset is invalid
     */
    public function isIndex(int $index);
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzcwNDY4NTIyMzg2NzQ4NSAzODE4MTI3OTYyNzAzODQxIDM5NzgyNTk5OTczODg2NDM=