NodeAttributes.php
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NodeAttributes.php
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	<?php declare(strict_types = 1);

	namespace PHPStan\PhpDocParser\Ast;

	use function array_key_exists;

	trait NodeAttributes
	{

	/** @var array<string, mixed> */
	private array $attributes = [];

	/**
	* @param mixed $value
	*/
	public function setAttribute(string $key, $value): void
	{
	if ($value === null) {
	unset($this->attributes[$key]);
	return;
	}
	$this->attributes[$key] = $value;
	}

	public function hasAttribute(string $key): bool
	{
	return array_key_exists($key, $this->attributes);
	}

	/**
	* @return mixed
	*/
	public function getAttribute(string $key)
	{
	if ($this->hasAttribute($key)) {
	return $this->attributes[$key];
	}

	return null;
	}

	}