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<?php

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace PhpCsFixer;

/**
 * @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * @readonly
 *
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise.
 */
final class WhitespacesFixerConfig
{
    /** @var non-empty-string */
    private string $indent;

/** @var non-empty-string */
    private string $lineEnding;

/**
     * @param non-empty-string $indent
     * @param non-empty-string $lineEnding
     */
    public function __construct(string $indent = '    ', string $lineEnding = "\n")
    {
        if (!\in_array($indent, ['  ', '    ', "\t"], true)) {
            throw new \InvalidArgumentException('Invalid "indent" param, expected tab or two or four spaces.');
        }

if (!\in_array($lineEnding, ["\n", "\r\n"], true)) {
            throw new \InvalidArgumentException('Invalid "lineEnding" param, expected "\n" or "\r\n".');
        }

$this->indent = $indent;
        $this->lineEnding = $lineEnding;
    }

/**
     * @return non-empty-string
     */
    public function getIndent(): string
    {
        return $this->indent;
    }

/**
     * @return non-empty-string
     */
    public function getLineEnding(): string
    {
        return $this->lineEnding;
    }
}