MatchNoneConstraint.php
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MatchNoneConstraint.php
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	<?php

	/*
	* This file is part of composer/semver.
	*
	* (c) Composer <https://github.com/composer>
	*
	* For the full copyright and license information, please view
	* the LICENSE file that was distributed with this source code.
	*/

	namespace Composer\Semver\Constraint;

	/**
	* Blackhole of constraints, nothing escapes it
	*/
	class MatchNoneConstraint implements ConstraintInterface
	{
	/** @var string\|null */
	protected $prettyString;

	/**
	* @param ConstraintInterface $provider
	*
	* @return bool
	*/
	public function matches(ConstraintInterface $provider)
	{
	return false;
	}

	/**
	* {@inheritDoc}
	*/
	public function compile($otherOperator)
	{
	return 'false';
	}

	/**
	* {@inheritDoc}
	*/
	public function setPrettyString($prettyString)
	{
	$this->prettyString = $prettyString;
	}

	/**
	* {@inheritDoc}
	*/
	public function getPrettyString()
	{
	if ($this->prettyString) {
	return $this->prettyString;
	}

	return (string) $this;
	}

	/**
	* {@inheritDoc}
	*/
	public function __toString()
	{
	return '[]';
	}

	/**
	* {@inheritDoc}
	*/
	public function getUpperBound()
	{
	return new Bound('0.0.0.0-dev', false);
	}

	/**
	* {@inheritDoc}
	*/
	public function getLowerBound()
	{
	return new Bound('0.0.0.0-dev', false);
	}
	}